Anchor: Dave felt his stomach tighten and braced himself.
Entailed: Dave braced himself as he felt his stomach tighten.
Contradiction: Dave relaxed and drank a soothing glass of milk.
Contradiction: A man is running through a field.
Contradiction: A woman is riding a bicycle.
Contradiction: It is a personal choice, and there is absolutely no peer pressure there.
Contradiction: She can't do anything, never less run a Fortune 500 company.