A hero was given a cake on the chair by the boy .
* chair ( x _ 8 ) ; * boy ( x _ 11 ) ; hero ( x _ 1 ) AND give . recipient ( x _ 3 , x _ 1 ) AND give . theme ( x _ 3 , x _ 5 ) AND give . agent ( x _ 3 , x _ 11 ) AND cake ( x _ 5 ) AND cake . nmod . on ( x _ 5 , x _ 8 )