Anchor: A boy in a blue shirt is mountain biking on a track and catching air.
Entailed: A boy is wearing a blue shirt outdoors.
Contradiction: The boy in the blue shirt is walking slowly.
Contradiction: I know the answer.
Contradiction: A man is being watched
Contradiction: Thankfully, the production manager said that he would take over because it was his job, and only his job, on bad days. 
Contradiction: The photographer is holding a disc.