answer: #Person1# tells #Person2# it's exciting that a second solar system has been found.
documents: #Person1#: Scientists have found a second solar system in the universe.
  #Person2#: What's the second solar system?
  #Person1#: It's just a system like ours, with a star and a number of planets going around it.
  #Person2#: Is this good news or bad news?
  #Person1#: It's exciting news! If we find a second solar system, we might find a second earth!
  #Person2#: You mean with people on it?
  #Person1#: Yes! Isn't that exciting?