Task: Question Answering
Input (English): Amelia entered the office. Isabella entered the office. The grapes is in the blue_bathtub. Amelia moved the grapes to the red_envelope. Amelia entered the back_yard. Phone rang. William entered the back_yard. The apple is in the red_suitcase. Phone rang. Amelia moved the apple to the red_bucket. Amelia is in the back_yard. Phone rang. Sophia entered the back_yard. The tomato is in the red_bucket. Amelia moved the tomato to the red_suitcase. Sophia entered the office. Isabella is in the office. The grapes is in the red_envelope. Sophia moved the grapes to the blue_bathtub. Where does Sophia think that Isabella searches for the grapes?
Output (English): blue_bathtub