# Generated from dutch.sbl by Snowball 3.1.1 - https://snowballstem.org/ from .basestemmer import BaseStemmer from .among import Among class DutchStemmer(BaseStemmer): ''' This class implements the stemming algorithm defined by a snowball script. Generated from dutch.sbl by Snowball 3.1.1 - https://snowballstem.org/ ''' g_E = {"e", "è", "é", "ê", "ë"} g_AIOU = {"a", "i", "o", "u", "à", "á", "â", "ä", "ì", "í", "î", "ï", "ò", "ó", "ô", "ö", "ù", "ú", "û", "ü"} g_AEIOU = {"a", "e", "i", "o", "u", "à", "á", "â", "ä", "è", "é", "ê", "ë", "ì", "í", "î", "ï", "ò", "ó", "ô", "ö", "ù", "ú", "û", "ü"} g_v = {"a", "e", "i", "o", "u", "y", "à", "á", "â", "ä", "è", "é", "ê", "ë", "ì", "í", "î", "ï", "ò", "ó", "ô", "ö", "ù", "ú", "û", "ü"} g_v_WX = {"a", "e", "i", "o", "u", "w", "x", "y", "à", "á", "â", "ä", "è", "é", "ê", "ë", "ì", "í", "î", "ï", "ò", "ó", "ô", "ö", "ù", "ú", "û", "ü"} B_GE_removed = False I_p2 = 0 I_p1 = 0 def __r_R1(self): return self.I_p1 <= self.cursor def __r_R2(self): return self.I_p2 <= self.cursor def __r_V(self): v_1 = self.limit - self.cursor while True: try: if not self.in_grouping_b(DutchStemmer.g_v): raise lab0() break except lab0: pass if not self.eq_s_b("ij"): return False break self.cursor = self.limit - v_1 return True def __r_VX(self): v_1 = self.limit - self.cursor if self.cursor <= self.limit_backward: return False self.cursor -= 1 while True: try: if not self.in_grouping_b(DutchStemmer.g_v): raise lab0() break except lab0: pass if not self.eq_s_b("ij"): return False break self.cursor = self.limit - v_1 return True def __r_C(self): v_1 = self.limit - self.cursor try: if not self.eq_s_b("ij"): raise lab0() return False except lab0: pass if not self.out_grouping_b(DutchStemmer.g_v): return False self.cursor = self.limit - v_1 return True def __r_lengthen_V(self): v_1 = self.limit - self.cursor try: if not self.out_grouping_b(DutchStemmer.g_v_WX): raise lab0() self.ket = self.cursor among_var = self.find_among_b(DutchStemmer.a_0) if among_var == 0: raise lab0() self.bra = self.cursor if among_var == 1: v_2 = self.limit - self.cursor while True: try: if not self.out_grouping_b(DutchStemmer.g_AEIOU): raise lab1() break except lab1: pass if self.cursor > self.limit_backward: raise lab0() break self.cursor = self.limit - v_2 S_ch = self.slice_to() c = self.cursor self.insert(self.cursor, self.cursor, S_ch) self.cursor = c elif among_var == 2: v_3 = self.limit - self.cursor while True: try: if not self.out_grouping_b(DutchStemmer.g_AEIOU): raise lab1() break except lab1: pass if self.cursor > self.limit_backward: raise lab0() break v_4 = self.limit - self.cursor try: while True: try: if not self.in_grouping_b(DutchStemmer.g_AIOU): raise lab2() break except lab2: pass if not self.in_grouping_b(DutchStemmer.g_E): raise lab1() if self.cursor > self.limit_backward: raise lab1() break raise lab0() except lab1: pass self.cursor = self.limit - v_4 v_5 = self.limit - self.cursor try: if self.cursor <= self.limit_backward: raise lab1() self.cursor -= 1 if not self.in_grouping_b(DutchStemmer.g_AIOU): raise lab1() if not self.out_grouping_b(DutchStemmer.g_AEIOU): raise lab1() raise lab0() except lab1: pass self.cursor = self.limit - v_5 self.cursor = self.limit - v_3 S_ch = self.slice_to() c = self.cursor self.insert(self.cursor, self.cursor, S_ch) self.cursor = c elif among_var == 3: self.slice_from("eëe") else: self.slice_from("iee") except lab0: pass self.cursor = self.limit - v_1 return True def __r_Step_1(self): self.ket = self.cursor among_var = self.find_among_b(DutchStemmer.a_1) if among_var == 0: return False self.bra = self.cursor if among_var == 1: self.slice_del() elif among_var == 2: if not self.__r_R1(): return False v_1 = self.limit - self.cursor try: if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "t": raise lab0() self.cursor -= 1 if not self.__r_R1(): raise lab0() return False except lab0: pass self.cursor = self.limit - v_1 if not self.__r_C(): return False self.slice_del() elif among_var == 3: if not self.__r_R1(): return False self.slice_from("ie") elif among_var == 4: while True: v_2 = self.limit - self.cursor try: v_3 = self.limit - self.cursor if not self.eq_s_b("ar"): raise lab0() if not self.__r_R1(): raise lab0() if not self.__r_C(): raise lab0() self.cursor = self.limit - v_3 self.slice_del() self.__r_lengthen_V() break except lab0: pass self.cursor = self.limit - v_2 try: v_4 = self.limit - self.cursor if not self.eq_s_b("er"): raise lab0() if not self.__r_R1(): raise lab0() if not self.__r_C(): raise lab0() self.cursor = self.limit - v_4 self.slice_del() break except lab0: pass self.cursor = self.limit - v_2 if not self.__r_R1(): return False if not self.__r_C(): return False self.slice_from("e") break elif among_var == 5: if not self.__r_R1(): return False self.slice_from("é") elif among_var == 6: if not self.__r_R1(): return False if not self.__r_V(): return False self.slice_from("au") elif among_var == 7: while True: v_5 = self.limit - self.cursor try: if not self.eq_s_b("hed"): raise lab0() if not self.__r_R1(): raise lab0() self.bra = self.cursor self.slice_from("heid") break except lab0: pass self.cursor = self.limit - v_5 try: if not self.eq_s_b("nd"): raise lab0() self.slice_del() break except lab0: pass self.cursor = self.limit - v_5 try: if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "d": raise lab0() self.cursor -= 1 if not self.__r_R1(): raise lab0() if not self.__r_C(): raise lab0() self.bra = self.cursor self.slice_del() break except lab0: pass self.cursor = self.limit - v_5 try: while True: try: if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "i": raise lab1() self.cursor -= 1 break except lab1: pass if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "j": raise lab0() self.cursor -= 1 break if not self.__r_V(): raise lab0() self.slice_del() break except lab0: pass self.cursor = self.limit - v_5 if not self.__r_R1(): return False if not self.__r_C(): return False self.slice_del() self.__r_lengthen_V() break else: self.slice_from("nd") return True def __r_Step_2(self): self.ket = self.cursor among_var = self.find_among_b(DutchStemmer.a_2) if among_var == 0: return False self.bra = self.cursor if among_var == 1: while True: v_1 = self.limit - self.cursor try: if not self.eq_s_b("'t"): raise lab0() self.bra = self.cursor self.slice_del() break except lab0: pass self.cursor = self.limit - v_1 try: if not self.eq_s_b("et"): raise lab0() self.bra = self.cursor if not self.__r_R1(): raise lab0() if not self.__r_C(): raise lab0() self.slice_del() break except lab0: pass self.cursor = self.limit - v_1 try: if not self.eq_s_b("rnt"): raise lab0() self.bra = self.cursor self.slice_from("rn") break except lab0: pass self.cursor = self.limit - v_1 try: if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "t": raise lab0() self.cursor -= 1 self.bra = self.cursor if not self.__r_R1(): raise lab0() if not self.__r_VX(): raise lab0() self.slice_del() break except lab0: pass self.cursor = self.limit - v_1 try: if not self.eq_s_b("ink"): raise lab0() self.bra = self.cursor self.slice_from("ing") break except lab0: pass self.cursor = self.limit - v_1 try: if not self.eq_s_b("mp"): raise lab0() self.bra = self.cursor self.slice_from("m") break except lab0: pass self.cursor = self.limit - v_1 try: if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "'": raise lab0() self.cursor -= 1 self.bra = self.cursor if not self.__r_R1(): raise lab0() self.slice_del() break except lab0: pass self.cursor = self.limit - v_1 self.bra = self.cursor if not self.__r_R1(): return False if not self.__r_C(): return False self.slice_del() break elif among_var == 2: if not self.__r_R1(): return False self.slice_from("g") elif among_var == 3: if not self.__r_R1(): return False self.slice_from("lijk") elif among_var == 4: if not self.__r_R1(): return False self.slice_from("isch") elif among_var == 5: if not self.__r_R1(): return False if not self.__r_C(): return False self.slice_del() elif among_var == 6: if not self.__r_R1(): return False self.slice_from("t") elif among_var == 7: if not self.__r_R1(): return False self.slice_from("s") elif among_var == 8: if not self.__r_R1(): return False self.slice_from("r") elif among_var == 9: if not self.__r_R1(): return False self.slice_del() self.insert(self.cursor, self.cursor, "l") self.__r_lengthen_V() elif among_var == 10: if not self.__r_R1(): return False if not self.__r_C(): return False self.slice_del() self.insert(self.cursor, self.cursor, "en") self.__r_lengthen_V() else: if not self.__r_R1(): return False if not self.__r_C(): return False self.slice_from("ief") return True def __r_Step_3(self): self.ket = self.cursor among_var = self.find_among_b(DutchStemmer.a_3) if among_var == 0: return False self.bra = self.cursor if among_var == 1: if not self.__r_R1(): return False self.slice_from("eer") elif among_var == 2: if not self.__r_R1(): return False self.slice_del() self.__r_lengthen_V() elif among_var == 3: if not self.__r_R1(): return False self.slice_del() elif among_var == 4: self.slice_from("r") elif among_var == 5: while True: v_1 = self.limit - self.cursor try: if not self.eq_s_b("ild"): raise lab0() self.slice_from("er") break except lab0: pass self.cursor = self.limit - v_1 if not self.__r_R1(): return False self.slice_del() self.__r_lengthen_V() break elif among_var == 6: if not self.__r_R1(): return False if not self.__r_C(): return False self.slice_from("aar") elif among_var == 7: if not self.__r_R2(): return False self.slice_del() self.insert(self.cursor, self.cursor, "f") self.__r_lengthen_V() elif among_var == 8: if not self.__r_R2(): return False self.slice_del() self.insert(self.cursor, self.cursor, "g") self.__r_lengthen_V() elif among_var == 9: if not self.__r_R1(): return False if not self.__r_C(): return False self.slice_from("t") else: if not self.__r_R1(): return False if not self.__r_C(): return False self.slice_from("d") return True def __r_Step_4(self): while True: v_1 = self.limit - self.cursor try: self.ket = self.cursor among_var = self.find_among_b(DutchStemmer.a_4) if among_var == 0: raise lab0() self.bra = self.cursor if among_var == 1: if not self.__r_R1(): raise lab0() self.slice_from("ie") elif among_var == 2: if not self.__r_R1(): raise lab0() self.slice_from("eer") elif among_var == 3: if not self.__r_R1(): raise lab0() self.slice_del() elif among_var == 4: if not self.__r_R1(): raise lab0() if not self.__r_V(): raise lab0() self.slice_from("n") elif among_var == 5: if not self.__r_R1(): raise lab0() if not self.__r_V(): raise lab0() self.slice_from("l") elif among_var == 6: if not self.__r_R1(): raise lab0() if not self.__r_V(): raise lab0() self.slice_from("r") elif among_var == 7: if not self.__r_R1(): raise lab0() self.slice_from("teer") elif among_var == 8: if not self.__r_R1(): raise lab0() self.slice_from("lijk") else: if not self.__r_R1(): raise lab0() if not self.__r_C(): raise lab0() self.slice_del() self.__r_lengthen_V() break except lab0: pass self.cursor = self.limit - v_1 self.ket = self.cursor if self.find_among_b(DutchStemmer.a_5) == 0: return False self.bra = self.cursor if not self.__r_R1(): return False v_2 = self.limit - self.cursor try: if not self.eq_s_b("inn"): raise lab0() if self.cursor > self.limit_backward: raise lab0() return False except lab0: pass self.cursor = self.limit - v_2 if not self.__r_C(): return False self.slice_del() self.__r_lengthen_V() break return True def __r_Step_7(self): self.ket = self.cursor among_var = self.find_among_b(DutchStemmer.a_6) if among_var == 0: return False self.bra = self.cursor self.slice_from(DutchStemmer.as_6[among_var - 1]) return True def __r_Step_6(self): self.ket = self.cursor among_var = self.find_among_b(DutchStemmer.a_7) if among_var == 0: return False self.bra = self.cursor if among_var == 1: self.slice_from("b") elif among_var == 2: self.slice_from("c") elif among_var == 3: self.slice_from("d") elif among_var == 4: self.slice_from("f") elif among_var == 5: self.slice_from("g") elif among_var == 6: self.slice_from("h") elif among_var == 7: self.slice_from("j") elif among_var == 8: self.slice_from("k") elif among_var == 9: self.slice_from("l") elif among_var == 10: self.slice_from("m") elif among_var == 11: v_1 = self.limit - self.cursor try: if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "i": raise lab0() self.cursor -= 1 if self.cursor > self.limit_backward: raise lab0() return False except lab0: pass self.cursor = self.limit - v_1 self.slice_from("n") elif among_var == 12: self.slice_from("p") elif among_var == 13: self.slice_from("q") elif among_var == 14: self.slice_from("r") elif among_var == 15: self.slice_from("s") elif among_var == 16: self.slice_from("t") elif among_var == 17: self.slice_from("v") elif among_var == 18: self.slice_from("w") elif among_var == 19: self.slice_from("x") else: self.slice_from("z") return True def __r_Step_1c(self): self.ket = self.cursor among_var = self.find_among_b(DutchStemmer.a_8) if among_var == 0: return False self.bra = self.cursor if not self.__r_R1(): return False if not self.__r_C(): return False if among_var == 1: v_1 = self.limit - self.cursor try: if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "n": raise lab0() self.cursor -= 1 if not self.__r_R1(): raise lab0() return False except lab0: pass self.cursor = self.limit - v_1 while True: v_2 = self.limit - self.cursor try: if not self.eq_s_b("in"): raise lab0() if self.cursor > self.limit_backward: raise lab0() self.slice_from("n") break except lab0: pass self.cursor = self.limit - v_2 self.slice_del() break else: v_3 = self.limit - self.cursor try: if self.cursor <= self.limit_backward or self.current[self.cursor - 1] != "h": raise lab0() self.cursor -= 1 if not self.__r_R1(): raise lab0() return False except lab0: pass self.cursor = self.limit - v_3 v_4 = self.limit - self.cursor try: if not self.eq_s_b("en"): raise lab0() if self.cursor > self.limit_backward: raise lab0() return False except lab0: pass self.cursor = self.limit - v_4 self.slice_del() return True def __r_Lose_prefix(self): self.bra = self.cursor if not self.eq_s("ge"): return False self.ket = self.cursor v_1 = self.cursor if self.cursor + 3 > self.limit: return False self.cursor += 3 self.cursor = v_1 v_2 = self.cursor while True: v_3 = self.cursor try: while True: try: if not self.eq_s("ij"): raise lab1() break except lab1: pass if not self.in_grouping(DutchStemmer.g_v): raise lab0() break break except lab0: pass self.cursor = v_3 if self.cursor >= self.limit: return False self.cursor += 1 while True: v_4 = self.cursor try: while True: try: if not self.eq_s("ij"): raise lab1() break except lab1: pass if not self.in_grouping(DutchStemmer.g_v): raise lab0() break continue except lab0: pass self.cursor = v_4 break if self.cursor >= self.limit: return False self.cursor = v_2 among_var = self.find_among(DutchStemmer.a_9) if among_var == 1: return False self.B_GE_removed = True self.slice_del() v_5 = self.cursor try: self.bra = self.cursor among_var = self.find_among(DutchStemmer.a_10) if among_var == 0: raise lab0() self.ket = self.cursor self.slice_from(DutchStemmer.as_10[among_var - 1]) except lab0: pass self.cursor = v_5 return True def __r_Lose_infix(self): if self.cursor >= self.limit: return False self.cursor += 1 while True: try: self.bra = self.cursor if not self.eq_s("ge"): raise lab0() self.ket = self.cursor break except lab0: pass if self.cursor >= self.limit: return False self.cursor += 1 v_1 = self.cursor if self.cursor + 3 > self.limit: return False self.cursor += 3 self.cursor = v_1 v_2 = self.cursor while True: v_3 = self.cursor try: while True: try: if not self.eq_s("ij"): raise lab1() break except lab1: pass if not self.in_grouping(DutchStemmer.g_v): raise lab0() break break except lab0: pass self.cursor = v_3 if self.cursor >= self.limit: return False self.cursor += 1 while True: v_4 = self.cursor try: while True: try: if not self.eq_s("ij"): raise lab1() break except lab1: pass if not self.in_grouping(DutchStemmer.g_v): raise lab0() break continue except lab0: pass self.cursor = v_4 break if self.cursor >= self.limit: return False self.cursor = v_2 self.B_GE_removed = True self.slice_del() v_5 = self.cursor try: self.bra = self.cursor among_var = self.find_among(DutchStemmer.a_11) if among_var == 0: raise lab0() self.ket = self.cursor self.slice_from(DutchStemmer.as_11[among_var - 1]) except lab0: pass self.cursor = v_5 return True def __r_measure(self): self.I_p1 = self.limit self.I_p2 = self.limit v_1 = self.cursor try: while True: try: if not self.out_grouping(DutchStemmer.g_v): raise lab1() continue except lab1: pass break v_2 = 1 while True: v_3 = self.cursor try: while True: try: if not self.eq_s("ij"): raise lab2() break except lab2: pass if not self.in_grouping(DutchStemmer.g_v): raise lab1() break v_2 -= 1 continue except lab1: pass self.cursor = v_3 break if v_2 > 0: raise lab0() if not self.out_grouping(DutchStemmer.g_v): raise lab0() self.I_p1 = self.cursor while True: try: if not self.out_grouping(DutchStemmer.g_v): raise lab1() continue except lab1: pass break v_4 = 1 while True: v_5 = self.cursor try: while True: try: if not self.eq_s("ij"): raise lab2() break except lab2: pass if not self.in_grouping(DutchStemmer.g_v): raise lab1() break v_4 -= 1 continue except lab1: pass self.cursor = v_5 break if v_4 > 0: raise lab0() if not self.out_grouping(DutchStemmer.g_v): raise lab0() self.I_p2 = self.cursor except lab0: pass self.cursor = v_1 return True def _stem(self): B_stemmed = False self.__r_measure() self.limit_backward = self.cursor self.cursor = self.limit v_1 = self.limit - self.cursor try: if not self.__r_Step_1(): raise lab0() B_stemmed = True except lab0: pass self.cursor = self.limit - v_1 v_2 = self.limit - self.cursor try: if not self.__r_Step_2(): raise lab0() B_stemmed = True except lab0: pass self.cursor = self.limit - v_2 v_3 = self.limit - self.cursor try: if not self.__r_Step_3(): raise lab0() B_stemmed = True except lab0: pass self.cursor = self.limit - v_3 v_4 = self.limit - self.cursor try: if not self.__r_Step_4(): raise lab0() B_stemmed = True except lab0: pass self.cursor = self.limit - v_4 self.cursor = self.limit_backward self.B_GE_removed = False v_5 = self.cursor try: v_6 = self.cursor if not self.__r_Lose_prefix(): raise lab0() self.cursor = v_6 self.__r_measure() except lab0: pass self.cursor = v_5 self.limit_backward = self.cursor self.cursor = self.limit v_7 = self.limit - self.cursor try: if not self.B_GE_removed: raise lab0() B_stemmed = True if not self.__r_Step_1c(): raise lab0() except lab0: pass self.cursor = self.limit - v_7 self.cursor = self.limit_backward self.B_GE_removed = False v_8 = self.cursor try: v_9 = self.cursor if not self.__r_Lose_infix(): raise lab0() self.cursor = v_9 self.__r_measure() except lab0: pass self.cursor = v_8 self.limit_backward = self.cursor self.cursor = self.limit v_10 = self.limit - self.cursor try: if not self.B_GE_removed: raise lab0() B_stemmed = True if not self.__r_Step_1c(): raise lab0() except lab0: pass self.cursor = self.limit - v_10 self.cursor = self.limit_backward self.limit_backward = self.cursor self.cursor = self.limit v_11 = self.limit - self.cursor try: if not self.__r_Step_7(): raise lab0() B_stemmed = True except lab0: pass self.cursor = self.limit - v_11 v_12 = self.limit - self.cursor try: if not B_stemmed: raise lab0() if not self.__r_Step_6(): raise lab0() except lab0: pass self.cursor = self.limit - v_12 self.cursor = self.limit_backward return True a_0 = [ Among("a", -1, 1), Among("e", -1, 2), Among("o", -1, 1), Among("u", -1, 1), Among("à", -1, 1), Among("á", -1, 1), Among("â", -1, 1), Among("ä", -1, 1), Among("è", -1, 2), Among("é", -1, 2), Among("ê", -1, 2), Among("eë", -1, 3), Among("ië", -1, 4), Among("ò", -1, 1), Among("ó", -1, 1), Among("ô", -1, 1), Among("ö", -1, 1), Among("ù", -1, 1), Among("ú", -1, 1), Among("û", -1, 1), Among("ü", -1, 1) ] a_1 = [ Among("nde", -1, 8), Among("en", -1, 7), Among("s", -1, 2), Among("'s", 2, 1), Among("es", 2, 4), Among("ies", 4, 3), Among("aus", 2, 6), Among("és", 2, 5) ] a_2 = [ Among("de", -1, 5), Among("ge", -1, 2), Among("ische", -1, 4), Among("je", -1, 1), Among("lijke", -1, 3), Among("le", -1, 9), Among("ene", -1, 10), Among("re", -1, 8), Among("se", -1, 7), Among("te", -1, 6), Among("ieve", -1, 11) ] a_3 = [ Among("heid", -1, 3), Among("fie", -1, 7), Among("gie", -1, 8), Among("atie", -1, 1), Among("isme", -1, 5), Among("ing", -1, 5), Among("arij", -1, 6), Among("erij", -1, 5), Among("sel", -1, 3), Among("rder", -1, 4), Among("ster", -1, 3), Among("iteit", -1, 2), Among("dst", -1, 10), Among("tst", -1, 9) ] a_4 = [ Among("end", -1, 9), Among("atief", -1, 2), Among("erig", -1, 9), Among("achtig", -1, 3), Among("ioneel", -1, 1), Among("baar", -1, 3), Among("laar", -1, 5), Among("naar", -1, 4), Among("raar", -1, 6), Among("eriger", -1, 9), Among("achtiger", -1, 3), Among("lijker", -1, 8), Among("tant", -1, 7), Among("erigst", -1, 9), Among("achtigst", -1, 3), Among("lijkst", -1, 8) ] a_5 = [ Among("ig", -1, 1), Among("iger", -1, 1), Among("igst", -1, 1) ] a_6 = [ Among("ft", -1, 2), Among("kt", -1, 1), Among("pt", -1, 3) ] as_6 = ("k", "f", "p") a_7 = [ Among("bb", -1, 1), Among("cc", -1, 2), Among("dd", -1, 3), Among("ff", -1, 4), Among("gg", -1, 5), Among("hh", -1, 6), Among("jj", -1, 7), Among("kk", -1, 8), Among("ll", -1, 9), Among("mm", -1, 10), Among("nn", -1, 11), Among("pp", -1, 12), Among("qq", -1, 13), Among("rr", -1, 14), Among("ss", -1, 15), Among("tt", -1, 16), Among("v", -1, 4), Among("vv", 16, 17), Among("ww", -1, 18), Among("xx", -1, 19), Among("z", -1, 15), Among("zz", 20, 20) ] a_8 = [ Among("d", -1, 1), Among("t", -1, 2) ] a_9 = [ Among("", -1, -1), Among("eft", 0, 1), Among("vaa", 0, 1), Among("val", 0, 1), Among("vali", 3, -1), Among("vare", 0, 1) ] a_10 = [ Among("ë", -1, 1), Among("ï", -1, 2) ] as_10 = ("e", "i") a_11 = [ Among("ë", -1, 1), Among("ï", -1, 2) ] as_11 = ("e", "i") class lab0(BaseException): pass class lab1(BaseException): pass class lab2(BaseException): pass