Task: Question Answering
Input (English): Logan entered the den. Jacob entered the den. The lettuce is in the blue_envelope. Jacob exited the den. Logan moved the lettuce to the blue_suitcase. Ethan entered the garage. Logan entered the garage. The pear is in the green_suitcase. Logan exited the garage. Ethan moved the pear to the blue_bathtub. Jacob entered the den. Logan entered the den. The lettuce is in the blue_suitcase. Logan exited the den. Jacob moved the lettuce to the blue_envelope. Ethan entered the den. Logan entered the den. The lettuce is in the blue_envelope. Logan exited the den. Ethan moved the lettuce to the blue_suitcase. Where is the lettuce really?
Output (English): blue_suitcase