Read the following dialog and answer the question.

Albert loves basketball, and this evening there is a big basketball match on television. The match begins at 7.30 and ends at 9.15. (1) Benjamin wants to see Albert the same evening and wants to know what time to come to his house.

Benjamin: (2) Is it all right if I come at about 8.30?

Albert: (3) No, I'll be watching basketball then.

Benjamin: Well, what about 9.30?

Albert: Fine. (4) The match will have finished by then.

According to the text, which sentence indicates a future event that will be ongoing?