answer: The Mountaineering Club is going to climb a difficult cliff on the Yangtze River. #Person2# invites #Person1# to come.
documents: #Person1#: What's the Mountaineering Club doing this weekend?
  #Person2#: We are going to climb a cliff on the Yangtze River.
  #Person1#: How hard is the climb?
  #Person2#: It is a very difficult climb, because there are not many places to put your hands and feet.
  #Person1#: What did you do last week?
  #Person2#: We rappelled down the side of a 300 - foot cliff. It's very exciting.
  #Person1#: Wow. That sounds like a lot of fun. I am sorry I missed it.
  #Person2#: Well, you should come this weekend. I think you could do the climb.
  #Person1#: Yeah, I will. See you then!
  #Person2#: Ok, see you.