answer: #Person1# invites Ann to go skating but she's busy with her math homework. #Person1#'ll call Sarah instead.
documents: #Person1#: Ann, let's go skating. It's not cold today.
  #Person2#: I'd like to, but I can't. I must finish my math homework this afternoon.
  #Person1#: Isn't the math homework due next Tuesday?
  #Person2#: That's true. But I have 2 French classes this Sunday and I'll go to visit my grandmother next Monday. I don't want to do my math homework there. I want to spend time with my grandparents.
  #Person1#: Then I'll call Sarah. She loves skating. I really want to have some fun during this long weekend.