Task: Question Answering
Input (English): Alexander entered the back_yard. Sophia entered the back_yard. The strawberry is in the green_basket. Sophia exited the back_yard. Alexander moved the strawberry to the blue_suitcase. Olivia entered the back_yard. Alexander is in the back_yard. Phone rang. The tangerine is in the blue_suitcase. Alexander exited the back_yard. Olivia moved the tangerine to the green_basket. Alexander entered the hallway. Phone rang. Sophia entered the hallway. The tomato is in the red_treasure_chest. Sophia exited the hallway. Alexander moved the tomato to the red_bucket. Mason entered the back_yard. Phone rang. Olivia is in the back_yard. The strawberry is in the blue_suitcase. Olivia exited the back_yard. Phone rang. Mason moved the strawberry to the green_basket. Where does Mason think that Olivia searches for the strawberry?
Output (English): blue_suitcase