answer: Michael invites Susan to study together. Susan agrees but Michael isn't available for all the time they mention.
documents: #Person1#: Susan, do you think we could study together sometime this weekend?
  #Person2#: I don't see why not. Are you doing anything on tomorrow night?
  #Person1#: I can't on tomorrow. I'm going out with some friends.
  #Person2#: Well, how about the following night?
  #Person1#: No, I can't on Saturday either. My sister and her husband are coming to town and I want to show them around.
  #Person2#: Sunday, then?
  #Person1#: Well, I'll probably sleep all morning and in the afternoon I want to go to the football game.
  #Person2#: Michael, that leaves Monday, the night before the test.
  #Person1#: Actually, I've got plans for Monday night too. How about early Tuesday morning?
  #Person2#: Michael, the test is on Tuesday morning.