Anchor: The large group of people are running for a cure for breast cancer.
Entailed: A group of people are participating in a charity run.
Contradiction: The runners are all sleeping at the hotel.
Contradiction: I won't bother trying to change that.
Contradiction: Seamus Heaney identifies a struggle between marvel and murder in modern Irish poetry. 
Contradiction: The woman had no spear, preferring hand to hand combat. 
Contradiction: That is the reason they must stop him.