W: I'm afraid I can't.

M: Why not?

W: I've got to wash my hair tonight.

M: OK. What about tomorrow night?

W: I can't go tomorrow night, either.

M: Why not?

W: I've got to wash my hair again.

M: Do you wash your hair every night?

W: It depends...

M: Depends on what?

W: It depends on who asks me to go to the cinema.

What was said before this conversation?


M: Would you like to come to the cinema tonight?