there is something such that if the fact that it is not a kind of an east and it is a imipramine is not right that it is expressible is correct.
sent1: the playroom is not inexpressible if the fact that it is a kind of non-east thing that is a imipramine is not right.
sent1 -> hypothesis;
$hypothesis$ = there is something such that if the fact that it is not a kind of an east and it is a imipramine is not right that it is expressible is correct. ; $context$ = sent1: the playroom is not inexpressible if the fact that it is a kind of non-east thing that is a imipramine is not right. ; $proof$ = 
sent1 -> hypothesis; __PROVED__