answer: #Person2# asks #Person1# to recommend some detective stories for #Person1#'s mother.
documents: #Person1#: Good morning. Mrs. Smith.
  #Person2#: Good morning! Can you help me, please? I'm looking for some books for my mother.
  #Person1#: Well, what kind of books does she like?
  #Person2#: She's very fond of detective stories?
  #Person1#: I see. Has she read any detective stories?
  #Person2#: Oh, yes!
  #Person1#: Do you know if she's read this one?
  #Person2#: I'm not sure, but she probably won't remember if she has! She's very forgetful!
  #Person1#: Ah! She has a bad memory. How old is she?
  #Person2#: She's eighty-seven.
  #Person1#: I suggest you take this book. It's very exciting.
  #Person2#: Thank you. That's a good idea. she likes exciting books. Can you suggest another one?