Anchor: You Tejanos, There was no pretense of friendliness in his hail.
Entailed: That's right, he didn't have a hint of friendliness about him.
Contradiction: He was very friendly and bright when he spoke. 
Contradiction: I left the school because it was so big.
Contradiction: Three people are touching.
Contradiction: The group of ladies are all at work in the office.
Contradiction: bike is riding