Aria entered the bedroom. Chloe entered the bedroom. The onion is in the green container. Chloe moved the onion to the green drawer. Aria exited the bedroom. Chloe exited the bedroom. Aria entered the hall.
The onion at the beginning was in the green container.
 the onion at the beginning was in the green_drawer
 the onion at the beginning was in the green_container