William sold a ball beside the box to the girl .
* box ( x _ 6 ) ; * girl ( x _ 9 ) ; sell . agent ( x _ 1 , William ) AND sell . theme ( x _ 1 , x _ 3 ) AND sell . recipient ( x _ 1 , x _ 9 ) AND ball ( x _ 3 ) AND ball . nmod . beside ( x _ 3 , x _ 6 )