Anchor: The lettuce workers, talking about their incident last week, said their experience illustrates the problems.
Entailed: The workers who worked with lettuce were talking about what happened last week. 
Contradiction: The onion workers were talking about what had happened earlier this morning. 
Contradiction: A surfer rides a wave
Contradiction: A brown and white dog is standing on a beach with a ball beside it.
Contradiction: A young boy is at school.
Contradiction: You must buy a metric set.