Amelia appreciated that the boy appreciated the girl .
* boy ( x _ 4 ) ; * girl ( x _ 7 ) ; appreciate . agent ( x _ 1 , Amelia ) AND appreciate . ccomp ( x _ 1 , x _ 5 ) AND appreciate . agent ( x _ 5 , x _ 4 ) AND appreciate . theme ( x _ 5 , x _ 7 )