Emma returned a cake on the towel to the girl .
* towel ( x _ 6 ) ; * girl ( x _ 9 ) ; return . agent ( x _ 1 , Emma ) AND return . theme ( x _ 1 , x _ 3 ) AND return . recipient ( x _ 1 , x _ 9 ) AND cake ( x _ 3 ) AND cake . nmod . on ( x _ 3 , x _ 6 )