Anchor: A man wearing a gray and black outfit is playing tennis.
Entailed: A court has a man playing tennis in it.
Contradiction: A man wearing nothing is playing tennis.
Contradiction: The Battle of Les Saintes involved fleets from Germany and Italy. 
Contradiction: People are enjoying the sun.
Contradiction: I never take it to him to do it, I always prefer to do it myself.
Contradiction: A person holds an umbrella.