Anchor: Finding the case locked, he was obliged to force it, thus 63 betraying his presence. 
Entailed: He betrayed his presence by forcing the locked case. 
Contradiction: The case was unlocked but he stilled forced it. 
Contradiction: The man is riding a horse.
Contradiction: Puppy crunch the ball
Contradiction: I hired a nanny to look after my children so I could keep working.
Contradiction: The man is riding a scooter