Task: Question Answering
Input (English): Olivia entered the hall. Liam entered the hall. The onion is in the red_pantry. Olivia moved the onion to the green_envelope. William entered the staircase. Mason entered the staircase. The asparagus is in the green_bucket. William moved the asparagus to the blue_suitcase. Olivia is in the hall. William entered the hall. The onion is in the green_envelope. Olivia moved the onion to the red_pantry. Olivia entered the sunroom. Mason entered the sunroom. The watermelon is in the green_box. Olivia moved the watermelon to the red_envelope. Where was the watermelon at the beginning?
Output (English): green_box