Anchor: Dog catching red ball in a field.
Entailed: There is a dog in a field catching a red ball.
Contradiction: There are a bunch of dogs playing with a ball in the street.
Contradiction: When applying Aggregate Entry Age Normal methodology, calculations are done based on individual-level data. 
Contradiction: Working in the yard and garden.
Contradiction: there are two men sleep on a field holding bows.
Contradiction: A cop is patrolling an event.