Anchor: A group of people are riding bicycles in a race.
Entailed: Pople are riding bicycles in a race.
Contradiction: A group of people are riding scooters in a race.
Contradiction: A dog is licking it's paw.
Contradiction: There is a child on someone's back.
Contradiction: The girls are building a sandcastle together.
Contradiction: someone in a pink robe rides a bike downhill