answer: #Person2# sees a doctor because of his backache. #Person1# asks about the symptoms and lets #Person2# wait.
documents: #Person1#: What's the matter, sir?
  #Person2#: I have a terrible ache in my back.
  #Person1#: How long has it been bothering you?
  #Person2#: For about two weeks.
  #Person1#: Do you have any history of back problem?
  #Person2#: No, this is the first time.
  #Person1#: Are you taking any medicine at the moment?
  #Person2#: No.
  #Person1#: Please sit here and I will let you in when it is your turn.