Emma noticed that the buyer rolled a teacher on a trampoline .
* buyer ( x _ 4 ) ; notice . agent ( x _ 1 , Emma ) AND notice . ccomp ( x _ 1 , x _ 5 ) AND roll . agent ( x _ 5 , x _ 4 ) AND roll . theme ( x _ 5 , x _ 7 ) AND teacher ( x _ 7 ) AND teacher . nmod . on ( x _ 7 , x _ 10 ) AND trampoline ( x _ 10 )