根据短文内容判断对错。

Alan: Mother, this is my friend, Bruce.

Bruce: Nice to meet you, Mrs. Green.

Mrs. Green: It's nice to meet you, Bruce.

Alan: And these are my grandparents, Charles and Nancy Green. That's my uncle, Dustin, and this is my sister, Emma.

Bruce: Hello! Hello! And is this your cousin?

Alan: Yes, this is Clark.