the fact that the decoction is not penumbral and is amphibious is not right.
sent1: if something is not a neomycin that it is not penumbral and it is amphibious is not right. sent2: everything is not penumbral. sent3: the decoction is not penumbral. sent4: everything is not penumbral and it is amphibious.
sent4 -> hypothesis;
the fact that the decoction is both not penumbral and amphibious is not right.
sent1 -> int1: if the decoction is not a neomycin the fact that it is both not penumbral and amphibious is not right.;
$hypothesis$ = the fact that the decoction is not penumbral and is amphibious is not right. ; $context$ = sent1: if something is not a neomycin that it is not penumbral and it is amphibious is not right. sent2: everything is not penumbral. sent3: the decoction is not penumbral. sent4: everything is not penumbral and it is amphibious. ; $proof$ = 
sent4 -> hypothesis; __DISPROVED__