Emma said that a chicken sold the ball on a stage to Olivia .
* ball ( x _ 7 ) ; say . agent ( x _ 1 , Emma ) AND say . ccomp ( x _ 1 , x _ 5 ) AND chicken ( x _ 4 ) AND sell . agent ( x _ 5 , x _ 4 ) AND sell . theme ( x _ 5 , x _ 7 ) AND sell . recipient ( x _ 5 , Olivia ) AND ball . nmod . on ( x _ 7 , x _ 10 ) AND stage ( x _ 10 )