Anchor: A boy wearing a blue helmet rides a bike with his feet on the handlebars.
Entailed: A child is doing tricks on his bike.
Contradiction: A boy is eating dinner.
Contradiction: Right now I think it's around twenty below zero outside, very cold and snowy. 
Contradiction: A man walks down a trail, carrying his water bottle.
Contradiction: A few kids are sleeping.
Contradiction: Two men play cricket outside.