Debbie: Where have you been? You missed the announcement about the music festival.
John: I was at the doctor's office. Music festival?
Frank: Yes, it's going to be next month on the school sports field. John, you can play the piano. How about playing it at the festival?
John: Well, I'd rather play the violin. I can play Liang Zhu.
Frank: Wow! Sounds good. What about you, Debbie?
Debbie: Actually, I don't have much musical ability. I'd prefer just to help out with the crowds.
Frank: You can sell tickets or work at a food stand.
John: So can I assume that the aim of the festival is to raise money?
Debbie: Yes. All of the money will go to charity.
John: Well, if it's for a good cause, everyone should take part!