William entered the den. James entered the den. James exited the den. Aiden entered the den. The lettuce is in the green box. Aiden exited the den. Aiden entered the living room. William moved the lettuce to the blue treasure chest.
Aiden look for the lettuce in the green box.
 Aiden look for the lettuce to the blue_treasure_chest
 Aiden look for the lettuce to the green_box