Anchor: A shirtless man is in midair with a skateboard beneath him.
Entailed: A man is doing skateboarding tricks.
Contradiction: The man is wearing a dress and strolling down the street.
Contradiction: He was imprisoned in April 1945.
Contradiction: Athletes are in a wrestling match.
Contradiction: There is no screening process to identify at risk drinkers.  
Contradiction: Two children outside playing.