Anchor: two men are sitting on a rock and the one with blue and strip tee is eating.
Entailed: Two men are sitting on a rock
Contradiction: Two women are working out on a rock.
Contradiction: You are probably going to get bored before the Sign changes.
Contradiction: A randy president is seemingly without choice to act. 
Contradiction: We identified these organizations by their position in an alphabetical list.
Contradiction: Objectives should be as stated as concisely as possible.