A dog passed the boy a cake on the chair .
* boy ( x _ 4 ) ; * chair ( x _ 9 ) ; dog ( x _ 1 ) AND pass . agent ( x _ 2 , x _ 1 ) AND pass . recipient ( x _ 2 , x _ 4 ) AND pass . theme ( x _ 2 , x _ 6 ) AND cake ( x _ 6 ) AND cake . nmod . on ( x _ 6 , x _ 9 )