Task: Question Answering
Input (English): Aiden entered the back_yard. Ethan entered the back_yard. The pineapple is in the red_box. Aiden moved the pineapple to the red_envelope. Alexander entered the attic. Isabella entered the attic. The banana is in the blue_pantry. Alexander moved the banana to the red_drawer. Alexander entered the cellar. Ethan entered the cellar. The carrot is in the red_pantry. Alexander moved the carrot to the green_drawer. Ethan entered the back_yard. Isabella entered the back_yard. The pineapple is in the red_envelope. Ethan moved the pineapple to the red_box. Where was the pineapple at the beginning?
Output (English): red_box