there is something such that if it is a clang then that it is not a kind of a Attic and/or it is not prospective is not right.
sent1: the fact that the langur is not a Attic and/or it is not prospective does not hold if it is a clang. sent2: there exists something such that if it is a Jeffersonian then it is a kind of a Laconian. sent3: there is something such that if it is a kind of an image then the fact that it is papilliform or not ethnocentric or both does not hold.
sent1 -> hypothesis;
$hypothesis$ = there is something such that if it is a clang then that it is not a kind of a Attic and/or it is not prospective is not right. ; $context$ = sent1: the fact that the langur is not a Attic and/or it is not prospective does not hold if it is a clang. sent2: there exists something such that if it is a Jeffersonian then it is a kind of a Laconian. sent3: there is something such that if it is a kind of an image then the fact that it is papilliform or not ethnocentric or both does not hold. ; $proof$ = 
sent1 -> hypothesis; __PROVED__