根据上下文意思写单词,补全对话。
Sam: Look at the TV . It's about a man.
Amy: Yes. This man can't see.
Sam: Look! Dogs are him. Dogs are.
Amy: Yes. Dogs are also very clever.
Sam: What can the dogs do?
Amy: They can help the . Last week, there was a fire. Dogs helped them.
Sam: That's cool!