Task: Question Answering
Input (English): Alexander entered the office. Liam entered the office. The potato is in the blue_box. Alexander moved the potato to the blue_cupboard. Alexander entered the den. Jack entered the den. The celery is in the red_drawer. Alexander moved the celery to the green_crate. Liam entered the cellar. Mia entered the cellar. The pineapple is in the blue_envelope. Liam moved the pineapple to the green_bottle. Liam is in the cellar. Mia is in the cellar. The pineapple is in the green_bottle. Liam moved the pineapple to the blue_envelope. Where was the pineapple at the beginning?
Output (English): blue_envelope