It’s a Western. In a house.
(What Rio Bravo tried and failed to do in a jail.)
If the chick in The Searchers had barfed a lot, basically.
The girl isn’t young enough for The Exorcist to work. The Wizard of Oz gets away with it, but in this instance, you need a Shirley Temple (also the first choice to play “Dorothy”…) not a Linda Blair.