Anchor: Old men meet under the chestnut trees to play chess or a game of boules.
Entailed: Chess is played by old men under chestnut trees.  
Contradiction: Old men never play chess under chestnut trees.  
Contradiction: A man eats lunch with his family at KFC.
Contradiction: A woman is indoors.
Contradiction: The girl is walking down the street.
Contradiction: Let them know that they should move to the bridge.