Lucas confessed that Liam helped a sandwich in the house .
* house ( x _ 9 ) ; confess . agent ( x _ 1 , Lucas ) AND confess . ccomp ( x _ 1 , x _ 4 ) AND help . agent ( x _ 4 , Liam ) AND help . theme ( x _ 4 , x _ 6 ) AND sandwich ( x _ 6 ) AND sandwich . nmod . in ( x _ 6 , x _ 9 )