Anchor: A male bike rider wearing a green shirt and white helmet leads a bike race with a fellow friend.
Entailed: The bike rider is leading.
Contradiction: The bike rider is taking orders.
Contradiction: The crowd looks on during the football game.
Contradiction: There are tiger lilies in one of my flower beds. 
Contradiction: The man is in the forest.
Contradiction: In my opinion, it must be unanimous.