Anchor: A girl enjoys the swimming pool.
Entailed: A person enjoys the swimming pool.
Contradiction: A boy enjoys the swimming pool.
Contradiction: colleges in Maryland waste a lot of office paper, and they don't recycle any of it
Contradiction: Paul Krugman enjoys denigrating the economics education of journalists. 
Contradiction: Eilat has a very different feel from most Mediterranean towns.
Contradiction: A person  in a black shirt laughs at a joke.