Anchor: Three children are playing together in some water.
Entailed: Three children are playing in water.
Contradiction: Three children are playing in the sand.
Contradiction: We do not think, therefore, of the 20.
Contradiction: A man yawns.
Contradiction: It's not a good idea to buy a house even if you have the money to do so. 
Contradiction: Two ladies shop at a department store.