Anchor: 10 people in a pool who are participating in synchronized swimming.
Entailed: They are swimming together.
Contradiction: They are at a swim competition.
Contradiction: An older man trying to cross the road
Contradiction: The bureau plans to use the internet to release its 2000 census data 
Contradiction: Managers pay from their own funds when discounts are too steep.
Contradiction: A man is teaching a boy.