Anchor: A group of men play a college football game.
Entailed: The crowd of men is playing a football game.
Contradiction: They women are playing football.
Contradiction: You only run. 
Contradiction: The mean dry weight of the control larvae that survived at the end of the experiment must be greater than or equal to 0.60 mg.
Contradiction: Our employees are guaranteed to be safe.
Contradiction: When Hanson was ushered into the presence of the leading Satheri, all seventy were present.