answer: Betty's neck hurts after a whole day's work and #Person1# suggests relaxing her arms to reduce the pressure on her neck.
documents: #Person1#: Betty, what's the matter?
  #Person2#: Well, at the end of the day at work, my neck really hurts.
  #Person1#: I see, do you do a lot of computer work?
  #Person2#: Well, yes. I spent all day at the computer, but I take regular breaks.
  #Person1#: OK. That's good, but do you relax your arms?
  #Person2#: Sorry?
  #Person1#: Well, every half hour you should relax your arms to reduce the pressure on your neck.
  #Person2#: I see, I can do that I guess.