A mother proved that the cake was dusted by the bunny .
* cake ( x _ 5 ) ; * bunny ( x _ 10 ) ; mother ( x _ 1 ) AND prove . agent ( x _ 2 , x _ 1 ) AND prove . ccomp ( x _ 2 , x _ 7 ) AND dust . theme ( x _ 7 , x _ 5 ) AND dust . agent ( x _ 7 , x _ 10 )