the enchantress is basiscopic and it is a mosaicism.
sent1: if there is something such that that it is both phonetics and a librettist is wrong then the pseudoephedrine is not a kind of a Sardinian. sent2: there exists something such that that it is phonetics a librettist is wrong. sent3: that if the pseudoephedrine is not a Sardinian then the enchantress is basiscopic and it is a kind of a mosaicism is correct. sent4: the gymslip is not basiscopic.
sent2 & sent1 -> int1: the pseudoephedrine is not a Sardinian.; sent3 & int1 -> hypothesis;
$hypothesis$ = the enchantress is basiscopic and it is a mosaicism. ; $context$ = sent1: if there is something such that that it is both phonetics and a librettist is wrong then the pseudoephedrine is not a kind of a Sardinian. sent2: there exists something such that that it is phonetics a librettist is wrong. sent3: that if the pseudoephedrine is not a Sardinian then the enchantress is basiscopic and it is a kind of a mosaicism is correct. sent4: the gymslip is not basiscopic. ; $proof$ = 
sent2 & sent1 -> int1: the pseudoephedrine is not a Sardinian.; sent3 & int1 -> hypothesis; __PROVED__