Emma confessed that Aria fed a cake to the professor .
* professor ( x _ 9 ) ; confess . agent ( x _ 1 , Emma ) AND confess . ccomp ( x _ 1 , x _ 4 ) AND feed . agent ( x _ 4 , Aria ) AND feed . theme ( x _ 4 , x _ 6 ) AND feed . recipient ( x _ 4 , x _ 9 ) AND cake ( x _ 6 )