Complete the dialogue. One sentence doesn't match.

Dialogue:

A: Hello, Bill.

B: Hi, Tony. Are you free tonight?

A: Yes, I am.

B: Do you want to go the cinema?

A: 1) Yes, I'd love to.

B: At 6:00.

A: 2) Sorry, I can't. I have to visit my grandmother.

B: At 8:30.

A: 3) That's OK with me.

B: Can we meet at 5:30?

A: Yes, that's fine.

Unused sentence:

When is it open?