Dialogue:

W: Hello, glad to see you. Come in, please.

M: Thanks. It looks like the party is exciting and all are in high spirits.

W: My brother, Tom is visiting me for the weekend.

M: Where is he?

W: He is sitting in the corner over there, and beside the yound woman.

M: And who is the yound woman? Uh, the woman wearing a red coat.

W: Oh, that's Ann, my piano teacher.

M: Piano teacher! I never knew you were practicing the piano.

Question: How does the woman know Ann? 

- She has just been introduced to her.

- She has taken piano lessons from her.

- They have met at a party before.


She has taken piano lessons from her.