Task: Question Answering
Input (English): Aria entered the office. Alexander entered the office. The lettuce is in the green_cupboard. Alexander exited the office. Aria moved the lettuce to the blue_envelope. Aiden entered the playroom. Phone rang. Aria entered the playroom. The pineapple is in the green_treasure_chest. Aria exited the playroom. Aiden moved the pineapple to the green_drawer. Alexander entered the playroom. Aiden is in the playroom. The cucumber is in the green_drawer. Aiden exited the playroom. Alexander moved the cucumber to the green_treasure_chest. Aria entered the office. Isabella entered the office. The apple is in the blue_envelope. Isabella exited the office. Phone rang. Aria moved the apple to the green_cupboard. Phone rang. Where was the apple at the beginning?
Output (English): blue_envelope