Anchor: The bike rider runs with his red bike while another gains on him, both wearing green outfits and black helmets.
Entailed: There two people gaining ground on a bike rider.
Contradiction: The runner is sweating.
Contradiction: The bike rider is riding his bike.
Contradiction: The rider is from the future and bikes are obsolete.
Contradiction: The two racers run around the corner to the end of the track
Contradiction: Two bike riders are only wearing underwear.