Anchor: The tubes formed are more than a kilometer (half mile) in length.
Entailed: The tubes are more that 800 meters in length.
Contradiction: The tubes are very short.
Contradiction: The cost-benefit analysis suggest the final rule is wrong.
Contradiction: A truck is transporting things on the highway.
Contradiction: A man is standing on his head.
Contradiction: A man stands in front of a directory.