context: Doorway is located at library. Book is located at shelf. Library is located at book. Doorway cannot have a location of clothe process plant. Trash bag is located at arsenal. Cannonball cannot have a location of arsenal. Book is located at library. Doorway cannot have a location of old rifle. Library has a thousand of book. Cannonball is located at closet. Shelf is located at closet.
text: Book is located at closet.