Isla entered the cellar. Owen entered the cellar. Elizabeth entered the cellar. The apple is in the blue bathtub. Owen moved the apple to the green cupboard. Isla exited the cellar. Elizabeth exited the cellar.
Owen think that Elizabeth searches for the apple in the green cupboard.
 Owen think that Elizabeth searches for the apple in the blue_bathtub
 Owen think that Elizabeth searches for the apple in the green_cupboard