answer: #Person2# thinks the boy next to the telephone at the party is the one who just moved into #Person2#'s apartment building.
documents: #Person1#: Looks like a good party, I probably know about half the people.
  #Person2#: Who's that boy?
  #Person1#: Where?
  #Person2#: The one next to the telephone.
  #Person1#: I don't know. Never saw him before. Why?
  #Person2#: I think he's the boy who just moved into my apartment building.