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