Liam helped a cake beside a house on a bed .
help . agent ( x _ 1 , Liam ) AND help . theme ( x _ 1 , x _ 3 ) AND cake ( x _ 3 ) AND cake . nmod . beside ( x _ 3 , x _ 6 ) AND house ( x _ 6 ) AND house . nmod . on ( x _ 6 , x _ 9 ) AND bed ( x _ 9 )