Anchor: Six children run towards a soccer ball on an athletic field.
Entailed: Children run towards a soccer ball.
Contradiction: A young boy chases a baseball in the outfield.
Contradiction: Their stereo was of poor quality and they couldn't listen to anything. 
Contradiction: Two people sit together at a table.
Contradiction: A group of adults sit in a circle.
Contradiction: The authorized biographer told me that he had dirt on Reagan that one day will come up.