answer: #Person2# tells #Person1# about #Person1#'s mother's lung cancer and suggests #Person1# should better prepare for the worst.
documents: #Person1#: Doctor, may I ask my mother's condition?
  #Person2#: Well, you'd better sit down for this. It has been terminal lung cancer.
  #Person1#: Oh my god. Please save her life.
  #Person2#: We'll try our best, but you'd better prepare for the worst.
  #Person1#: I see, D. But I plead you to help her.
  #Person2#: I have said that we will try our best. You can trust us. But you know her situation.
  #Person1#: How long do you expect her to live?
  #Person2#: About half a year.