The coach collapsed a box on the speaker beside a chair .
* coach ( x _ 1 ) ; * speaker ( x _ 7 ) ; collapse . agent ( x _ 2 , x _ 1 ) AND collapse . theme ( x _ 2 , x _ 4 ) AND box ( x _ 4 ) AND box . nmod . on ( x _ 4 , x _ 7 ) AND speaker . nmod . beside ( x _ 7 , x _ 10 ) AND chair ( x _ 10 )