Anchor: Two bike riders are riding their road bikes through a state park filled with campers and other bikers.
Entailed: Guys riding their bikes outside
Contradiction: Cyclists are waiting to start a bike ride.
Contradiction: The bikers are walking their bikes through the state park.
Contradiction: Two men can't ride their bikes.
Contradiction: Two guys ride through an otherwise desolate park, wondering why on Earth they went there in the first place
Contradiction: The park is an attraction for circus folk.