Anchor: Two biker in black-green, first is pushing her bike, the second is riding hers.
Entailed: One girl is pushing her bike as another rides hers while wearing black-green.
Contradiction: Two girls are doing millions of flips through the air on scooters.
Contradiction: I had no way of defending myself.
Contradiction: Both security issues and safety issues are hard to measure both directly and indirectly,  
Contradiction: Do you agree that the Soviet Union is our closest ally?
Contradiction: I always do my best to avoid them.