answer: Both #Person1#'s watch and #Person2#' cannot tell the accurate time. #Person1# advises #Person2# to adjust the time every day but #Person2# prefers to buy a new one.
documents: #Person1#: My watch always gains ten minutes a day.
  #Person2#: That's funny. My watch always loses ten minutes a day.
  #Person1#: No kidding.
  #Person2#: I am serious. Every morning I set my watch by the radio, but it still loses ten minutes.
  #Person1#: You know what you can do?
  #Person2#: Throw it away and buy a new one.
  #Person1#: No, you don't have to. You only need to put your watch back ten minutes every day.
  #Person2#: So you put your watch back ten minutes every day?
  #Person1#: Yes, that's what I am doing.
  #Person2#: Why bother? Just buy a new watch. It doesn't cost much. Besides, I just can't put up with this thing any more.