answer: #Person2# is parking but #Person1# says that's #Person1#'s parking place.
documents: #Person1#: What are you doing?
  #Person2#: I'm parking my car here.
  #Person1#: No, I'm sorry. It's impossible.
  #Person2#: Why not? I don't see a 'No Parking' sign.
  #Person1#: This is my parking place.
  #Person2#: I don't see a sign with your name.
  #Person1#: I park here every day.
  #Person2#: Well, I'm parking here today.