answer: #Person1# tells #Person2# John's father married an 18-year-old girl. #Person2# thinks it's none of their business.
documents: #Person1#: John's father got married again.
  #Person2#: Married whom?
  #Person1#: If I tell you. , you must be completely taken aback.
  #Person2#: Come on. Tell me what happened.
  #Person1#: He married a girl who is only eighteen!
  #Person2#: Is that true? But anyhow, it's none of our business, isn't it?