user: Ed and his sister, Lilly, are in a room. They have two toys: a truck and a robot. They play with these toys until Ed accidentally breaks the truck. Disappointed, he leaves the room to look for his mom. In his absence, Lilly repairs the truck, but inadvertently breaks it again. Subsequently, she too leaves the room. Ed finds his mom.

assistant: The toy that needs to be repaired is the truck.