the fact that there is something such that if the fact that it is aeromechanic is not wrong it is not a kind of a roarer is false.
sent1: if the Ottawa is a Lemmus then it is not a kind of a simnel. sent2: something is not a symmetry if it is a roarer. sent3: that if the upright is aeromechanic then the upright is a roarer is not wrong. sent4: the fact that if the upright is aeromechanic the upright is not a roarer is right.
sent4 -> hypothesis;
if the upright is a roarer then it is not a symmetry.
sent2 -> hypothesis;
$hypothesis$ = the fact that there is something such that if the fact that it is aeromechanic is not wrong it is not a kind of a roarer is false. ; $context$ = sent1: if the Ottawa is a Lemmus then it is not a kind of a simnel. sent2: something is not a symmetry if it is a roarer. sent3: that if the upright is aeromechanic then the upright is a roarer is not wrong. sent4: the fact that if the upright is aeromechanic the upright is not a roarer is right. ; $proof$ = 
sent4 -> hypothesis; __DISPROVED__