Anchor: She says the future of cars is fuel-cell engines--they use hydrogen, and their only waste is water.
Entailed: She claims the future of cars is fuel-cell engines which run on hydrogen and produce water waste.
Contradiction: She claims the future of cars remains in gas-fueled engines. 
Contradiction: Over a quart for every fifty miles.
Contradiction: Our family has been undergoing changes, and that's not helping one bit.
Contradiction: a dog on the grass
Contradiction: The big square gates are more like Crusader structures since they were for protection of the city.