Anchor: A boy in blue shorts slides down a slide into a pool.
Entailed: The boy is sliding down the pool.
Contradiction: The boy is wearing a red shorts.
Contradiction: Bad!! don't do that
Contradiction: A person is with two dogs.
Contradiction: Bradley has a lot of staff and money. 
Contradiction: Charles Garnier, architect of the Opera, designed the merry-go-round.