answer: #Person2# tells #Person1# mountain biking is an Olympic sport and #Person2# is good at it.
documents: #Person1#: I don't know. I think you might be over the hill.
  #Person2#: Well, if not gymnastics, then mountain biking.
  #Person1#: Mountain biking is an Olympic sport?
  #Person2#: Since 1996 it has been. And I bet I'd be pretty good at it. I ride my mountain bike to work almost every day.