Anchor: Now and then he passed his hand across his lips as though to hide a smile.
Entailed: He passed his hand across his lips, as though to hide a smile, every now and then.
Contradiction: Now and then he slouched forward.
Contradiction: Yes, I saw exactly what you are talking about.
Contradiction: A child is riding a unicycle.
Contradiction: Puts in Yiddish means penis and pizza.
Contradiction: An individual walks.