A boy froze the sandwich beside the stage in the room .
* sandwich ( x _ 4 ) ; * stage ( x _ 7 ) ; * room ( x _ 10 ) ; boy ( x _ 1 ) AND freeze . agent ( x _ 2 , x _ 1 ) AND freeze . theme ( x _ 2 , x _ 4 ) AND sandwich . nmod . beside ( x _ 4 , x _ 7 ) AND stage . nmod . in ( x _ 7 , x _ 10 )