A cat liked the cockroach on the leaflet .
* cockroach ( x _ 4 ) ; * leaflet ( x _ 7 ) ; cat ( x _ 1 ) AND like . agent ( x _ 2 , x _ 1 ) AND like . theme ( x _ 2 , x _ 4 ) AND cockroach . nmod . on ( x _ 4 , x _ 7 )