Task: Question Answering
Input (English): Aria entered the front_yard. Owen entered the front_yard. The banana is in the blue_container. Aria moved the banana to the blue_box. James entered the front_yard. Logan entered the front_yard. The banana is in the blue_box. James moved the banana to the blue_container. Logan entered the hall. Owen entered the hall. The tangerine is in the green_pantry. Logan moved the tangerine to the green_basket. Logan entered the lounge. Aria entered the lounge. Phone rang. The celery is in the blue_envelope. Logan moved the celery to the red_pantry. Where was the celery at the beginning?
Output (English): blue_envelope