Oliver entered the playroom. Owen entered the playroom. The lemon is in the red bathtub. Mason entered the playroom. Oliver likes the banana Owen exited the playroom. Oliver moved the lemon to the blue drawer. Owen entered the playroom.
Oliver think that Owen searches for the lemon in the blue drawer.
 Oliver think that Owen searches for the lemon in the red_bathtub
 Oliver think that Owen searches for the lemon in the blue_drawer