that there exists something such that if the fact that it is a horsepond and it is not a kind of an obsolescence is not right it is bignoniaceous is not right.
sent1: the cyrilla is bignoniaceous if it is not a horsepond. sent2: the shittah is appellative if it is a horsepond and it is not titular. sent3: the cyrilla is bignoniaceous if that it is a kind of a horsepond and it is not an obsolescence is not true. sent4: if that something pleaches quickest but it is not a weathervane is incorrect it rendezvous wit. sent5: there exists something such that if that it is conjunctival and not syllogistic is not right then it is Argentine. sent6: there exists something such that if the fact that it is a horsepond and it is a kind of an obsolescence is false it is bignoniaceous. sent7: there exists something such that if it is a horsepond and it is not an obsolescence then it is bignoniaceous.
sent3 -> hypothesis;
if that the firedamp pleaches quickest and is not a kind of a weathervane is not correct it does rendezvous wit.
sent4 -> hypothesis;
$hypothesis$ = that there exists something such that if the fact that it is a horsepond and it is not a kind of an obsolescence is not right it is bignoniaceous is not right. ; $context$ = sent1: the cyrilla is bignoniaceous if it is not a horsepond. sent2: the shittah is appellative if it is a horsepond and it is not titular. sent3: the cyrilla is bignoniaceous if that it is a kind of a horsepond and it is not an obsolescence is not true. sent4: if that something pleaches quickest but it is not a weathervane is incorrect it rendezvous wit. sent5: there exists something such that if that it is conjunctival and not syllogistic is not right then it is Argentine. sent6: there exists something such that if the fact that it is a horsepond and it is a kind of an obsolescence is false it is bignoniaceous. sent7: there exists something such that if it is a horsepond and it is not an obsolescence then it is bignoniaceous. ; $proof$ = 
sent3 -> hypothesis; __DISPROVED__