Owen entered the staircase. William entered the staircase. The peas is in the red treasure chest. William moved the peas to the blue bucket. Owen exited the staircase. William exited the staircase. Owen entered the staircase.
Owen think that William searches for the peas in the blue bucket.
 Owen think that William searches for the peas in the red_treasure_chest
 Owen think that William searches for the peas in the blue_bucket