Anchor: Similarly, we used an intermediate resolution grid (12 km x 12 km) to model ozone in inner OTAG states where population density is high and ozone transport is a major problem.
Entailed: an intermediate resolution grid is useful to transport ozone.
Contradiction: We are not concerned with ozone transport.
Contradiction: The man is a mime.
Contradiction: A dog is wet.
Contradiction: a man is passed out drunk on a sidewalk
Contradiction: The United States is faced with environmental challenges.