Task: Question Answering
Input (English): Amelia entered the back_yard. Mason entered the back_yard. The celery is in the red_envelope. Mason exited the back_yard. Amelia moved the celery to the blue_crate. Elizabeth entered the closet. Amelia entered the closet. The grapes is in the green_bucket. Amelia exited the closet. Elizabeth moved the grapes to the green_envelope. Isabella entered the staircase. Amelia entered the staircase. The lettuce is in the green_pantry. Amelia exited the staircase. Isabella moved the lettuce to the red_drawer. Mason entered the staircase. Elizabeth entered the staircase. The lettuce is in the red_drawer. Elizabeth exited the staircase. Mason moved the lettuce to the green_pantry. Where was the lettuce at the beginning?
Output (English): green_pantry