answer: #Person1# tells #Person2# the position of senior secretary had fallen vacant. The company has advertised the position but #Person2# doesn't think a graduate will surely qualify.
documents: #Person1#: The company is going to recruit some people.
  #Person2#: Really? Are there any vacant positions?
  #Person1#: Yes. The position of senior secretary had fallen vacant.
  #Person2#: What happened to Kitty? She was an excellent senior secretary.
  #Person1#: She has just got married. And she wants to be a full-time housewife. So she left
  #Person2#: What a pity! Do you have any idea who will be the new senior secretary?
  #Person1#: Not yet. The company has advertised the position.
  #Person2#: What qualifications are needed?
  #Person1#: A female graduate from the secretary college with a good knowledge of English.
  #Person2#: A graduate does not always make an qualified employee.