The girl sold the box on a stage to a bird .
* girl ( x _ 1 ) ; * box ( x _ 4 ) ; sell . agent ( x _ 2 , x _ 1 ) AND sell . theme ( x _ 2 , x _ 4 ) AND sell . recipient ( x _ 2 , x _ 10 ) AND box . nmod . on ( x _ 4 , x _ 7 ) AND stage ( x _ 7 ) AND bird ( x _ 10 )