Harper missed the dog on the glacier on the stage .
* dog ( x _ 3 ) ; * glacier ( x _ 6 ) ; * stage ( x _ 9 ) ; miss . agent ( x _ 1 , Harper ) AND miss . theme ( x _ 1 , x _ 3 ) AND dog . nmod . on ( x _ 3 , x _ 6 ) AND glacier . nmod . on ( x _ 6 , x _ 9 )