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.
Owen think that Oliver searches for the lemon in the blue drawer.
 Owen think that Oliver searches for the lemon in the red_bathtub
 Owen think that Oliver searches for the lemon in the blue_drawer