Anchor: Two men test a pump and hose device in a rural field.
Entailed: Men try out a pump and hose device.
Contradiction: Two men test out a new pump in the middle of the city.
Contradiction: Simple homes are boring and not in fashion. 
Contradiction: He may keep us out of war, but if the policies he uses make the world a more dangerous place for our children?
Contradiction: The dog has it's tongue out.
Contradiction: Recreational visibility has cash benefits and is correlated to the number of park visitors.