Anchor: So convenient a thing it is to be a reasonable creature, since it enables one to find or make a reason for everything one has a mind to do.
Entailed: It's convenient to be reasonable.
Contradiction: There's no reason to be reasonable.
Contradiction: Government operations are improved as a result of EPA  recommendations.
Contradiction: Two men wear different colored shorts.
Contradiction: We must discuss this now.
Contradiction: A boy is sliding.