Anchor: Three dogs are in the snow in front of a fence.
Entailed: There are dogs outdoors.
Contradiction: The dogs are eating.
Contradiction: The girls are wearing bathing suits.
Contradiction: A rugby player is playing hard in order to win the game.
Contradiction: I never make impulse buys, especially not household appliances like washers or dryers. 
Contradiction: Tannen gets confused when she applies her precepts to a national conversation.