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!