The cat noticed that Emma preferred to walk .
* cat ( x _ 1 ) ; notice . agent ( x _ 2 , x _ 1 ) AND notice . ccomp ( x _ 2 , x _ 5 ) AND prefer . agent ( x _ 5 , Emma ) AND prefer . xcomp ( x _ 5 , x _ 7 ) AND walk . agent ( x _ 7 , Emma )