Read the following conversation and answer the question.

W: Hi, Dave. Nice of you to take the trouble to get here. Come in.

M: Wow. Looks as if the party is going strong.

W: Yeah. And they're eating all my food. Oh, I'd like you to meet my sister, Carol. She's visiting for the weekend.

M: Oh. Which one is she?

W: She's sitting on the sofa over there.

M: You mean the woman with long black hair?

W: That's right. Let me introduce her to you. You're very similar people, both so friendly and adventurous.

M: And who's the man sitting next to her? Uh, the man wearing the jacket.

W: Oh, that's Bob, my ballet teacher.

M: Ballet teacher! I never knew you were into ballet.

W: I started about two months ago. Come on. I'd like you to meet them.

M: I'm coming.

Question: Who is the woman with long black hair? 

- The woman's sister.

- The woman's teacher.

- The man's friend.


The woman's sister.