Anchor: A young boy in a black wetsuit surfs in the water.
Entailed: A boy is surfing.
Contradiction: A boy swims in the shallow water at the beach.
Contradiction: Davis does not need to get over his exceptionalism. 
Contradiction: Lesher is right about Wallace's continued influence on politics. 
Contradiction: Sometimes, she feigns ignorance because she finds it amusing.
Contradiction: You have to consider parking when you take these walks.