answer: #Person2#'s been having headaches and tells #Person1# about the symptoms. #Person1#'ll check if there's anything serious.
documents: #Person1#: What's the matter with you?
  #Person2#: I've been having headaches.
  #Person1#: How long have they been bothering you?
  #Person2#: Umm... They started about two months ago. Oh, no. It must be about three months ago. At first, I thought as if I had flu because I had a running nose and a bit of a temperature.
  #Person1#: I see. And do the headaches come on at any particular time?
  #Person2#: They are usually worse in the morning, especially during the past two weeks.
  #Person1#: Now let me check if there is anything serious.