Anchor: I could hear him ahead, though I couldn't see him.
Entailed: I heard him but I did not see him.  
Contradiction: I did not hear him but I could see him.  
Contradiction: A woman in red plays on playground equipment.
Contradiction: A group of people are yelling.
Contradiction: Five men wearing leggings.
Contradiction:  Issuers of financial statements who are inappropriately bending accounting rules should know they can't get away with it anymore.