Task: Question Answering
Input (English): Owen entered the cellar. Aiden entered the cellar. The carrot is in the blue_box. Aiden exited the cellar. Owen moved the carrot to the blue_pantry. Aiden entered the staircase. Isabella entered the staircase. Phone rang. The green_pepper is in the blue_suitcase. Isabella exited the staircase. Aiden moved the green_pepper to the red_bottle. Elizabeth entered the den. Aiden entered the den. The spinach is in the blue_crate. Aiden exited the den. Elizabeth moved the spinach to the red_bucket. Aiden entered the bedroom. Elizabeth entered the bedroom. The lettuce is in the red_box. Elizabeth exited the bedroom. Aiden moved the lettuce to the green_basket. Where was the lettuce at the beginning?
Output (English): red_box