根据对话内容，将方框内符合对话情境的句子抄写在对话空白处，使对话恢复完整。

Who is he? What's this? What's his name? Is he your uncle? Are they your cousins?

A: Hi, Helen!

B: It's a photo of my family.

A:

B: He is my father.

A:

B: Yes, he is. He is my father's brother.

A:

B: His name is Mike.

A:

B: Yes, they are my uncle's son and daughter.

A: I see.