Anchor: A young man is performing a stunt on his BMX bicycle.
Entailed: A young man performs bmx bicycle stunts
Contradiction: A toddler rides a bike with training wheels
Contradiction: It is likely to prevent a rise in the share of government spending through boosting saving and GDP.
Contradiction: There are guys playing soccer outside.
Contradiction: The land was destroyed by the humans that inhibited it. 
Contradiction: Beginners should not windsurf in deep water.