answer: #Person2#'s not feeling well since this morning. #Person1# thinks it's because #Person2# works too hard.
documents: #Person1#: Do you feel all right? You look Pale. 
  #Person2#: All my joints seem to hurt and I have a terrible headache. 
  #Person1#: Have you taken your temperature? 
  #Person2#: No, not yet , but I do feel a little feverish. 
  #Person1#: How long have you been feeling this way? 
  #Person2#: Only since this morning. 
  #Person1#: Oh, probably you've been working too hard. 
  #Person2#: Maybe you are right.