answer: Kate comes to Tom's and tells him that Jane doesn't come because she is studying for a Japanese exam. Kate may take a course next year.
documents: #Person1#: [A knock at the door.] Come in, please.
  #Person2#: Hello, Kate. Where's Jane? I want her to type this letter for me.
  #Person1#: I'm afraid she can't, Tom. She isn't working today.
  #Person2#: Oh, why? Is she ill?
  #Person1#: No. She's studying for an exam.
  #Person2#: An exam. Is she going to school?
  #Person1#: Yes, she is. She's learning Japanese in night school.
  #Person2#: I see. Are you going to night school, too?
  #Person1#: No, I'm not, not this year. But I'm thinking about taking a course next year.
  #Person2#: That's a good idea. Is it expensive?
  #Person1#: No, not very. Anyway, it's worth the money.