Ethan entered the closet. Jacob entered the closet. The pear is in the blue_envelope. Jacob exited the closet. Ethan moved the pear to the blue_container. Ethan exited the closet. Jacob entered the closet. Elizabeth entered the laundry. Ethan entered the laundry. The celery is in the green_envelope. Ethan exited the laundry. Phone rang. Elizabeth moved the celery to the green_pantry. Elizabeth exited the laundry. Ethan entered the laundry. Ethan entered the closet. Jacob is in the closet. The watermelon is in the blue_container. Jacob exited the closet. Ethan moved the watermelon to the blue_envelope. Ethan exited the closet. Jacob entered the closet. Jacob entered the pantry. Owen entered the pantry. The lettuce is in the blue_pantry. Owen exited the pantry. Jacob moved the lettuce to the red_bottle. Jacob exited the pantry. Owen entered the pantry. Where was the lettuce at the beginning?
blue_pantry