Anchor: Have you no friends of whom I should disapprove?" John fell back a pace. 
Entailed: You have friends. 
Contradiction: John sped up. 
Contradiction: Teenagers are playing basketball in the gymnasium.
Contradiction: Slash it with the red pen.
Contradiction: The girls may be right if they think scarves mean freedom.
Contradiction: A group of people are enjoying time with each other.