The girl proved that Olivia ate the baby on a stage .
* girl ( x _ 1 ) ; * baby ( x _ 7 ) ; prove . agent ( x _ 2 , x _ 1 ) AND prove . ccomp ( x _ 2 , x _ 5 ) AND eat . agent ( x _ 5 , Olivia ) AND eat . theme ( x _ 5 , x _ 7 ) AND baby . nmod . on ( x _ 7 , x _ 10 ) AND stage ( x _ 10 )