answer: Mr. Green comes to see Mr. Brown, but he's gone out. Mr. Green asks Mrs. Brown to tell him to phone.
documents: #Person1#: Good afternoon, Mrs. Brown. I've come to see Mr. Brown. 
  #Person2#: Good afternoon, Mr. Green. 
  #Person1#: Is he in? 
  #Person2#: I'm sorry, but he's not in, he's gone out on business. 
  #Person1#: Oh! I just drop in on him for a chat. 
  #Person2#: Please come in for a cup of coffee. 
  #Person1#: No, thank you. Please tell him to phone me when he comes back.