A dog appreciated that a donut was rolled by Liam .
dog ( x _ 1 ) AND appreciate . agent ( x _ 2 , x _ 1 ) AND appreciate . ccomp ( x _ 2 , x _ 7 ) AND donut ( x _ 5 ) AND roll . theme ( x _ 7 , x _ 5 ) AND roll . agent ( x _ 7 , Liam )