Anchor: A boy in jeans and a black shirt skating down a stair rail.
Entailed: The boy likes to go skateboarding.
Contradiction: The boy is not a talented skater.
Contradiction: You aren't trying to get away. 
Contradiction: A woman looks in a mirror to put on make up.
Contradiction: I had to walk home once I got back from the cruise. 
Contradiction: Analysts should suggest that clients buy more often than sell since we are in a bull market.