Anchor: Two people with bicycle helmet riding bikes in a park.
Entailed: There are two people who are using their own bikes, and their own helmets.
Contradiction: There is a tour de france route going through the mountains, with 20 cyclists flying by the checkpoint.
Contradiction: two men stare at each other with intense anger
Contradiction: A man is wearing shoes.
Contradiction: One female has glasses and one does not.
Contradiction: An experienced snowboarder doing some stunts