Anchor: A man is fixing a bike's chains.
Entailed: There is a person working on a bicycle.
Contradiction: A man is fixing a car.
Contradiction: They don't make plastic edgings bigger than a foot.
Contradiction: A solder is in a tank, peeking out to survey his surroundings
Contradiction: They are performing surgery at the hospital
Contradiction: In the east a force was getting strong.