Ava appreciated that Emma rented a mother a cake .
appreciate . agent ( x _ 1 , Ava ) AND appreciate . ccomp ( x _ 1 , x _ 4 ) AND rent . agent ( x _ 4 , Emma ) AND rent . recipient ( x _ 4 , x _ 6 ) AND rent . theme ( x _ 4 , x _ 8 ) AND mother ( x _ 6 ) AND cake ( x _ 8 )