the forester does tool and it does lock.
sent1: the forester is a tool. sent2: the beta-interferon is a kind of a lock and it does recast jackfruit. sent3: the forester locks.
sent1 & sent3 -> hypothesis;
$hypothesis$ = the forester does tool and it does lock. ; $context$ = sent1: the forester is a tool. sent2: the beta-interferon is a kind of a lock and it does recast jackfruit. sent3: the forester locks. ; $proof$ = 
sent1 & sent3 -> hypothesis; __PROVED__