Anchor: If they had left it alone, it is possible the crime might never have been brought home to them. 
Entailed: Had they left it alone, the crime may never have been brought to their attention.
Contradiction: The crime would have become apparent even if they had left it alone.
Contradiction: This feels like I never moved.
Contradiction: Two people are running
Contradiction: Two hockey players stand with their arms at their sides.
Contradiction: I have heard of legumes.