Anchor: A man does a wheelie on his bicycle on the sidewalk.
Entailed: A man is on a bicycle
Contradiction: The man is on a skateboard
Contradiction: The mall is indoor.
Contradiction: Capital combines labor and total factor productivity to determine GDP
Contradiction: Despite a critical design review, the F-22 program was found to be perfect and was on schedule to complete far below the estimated costs.
Contradiction: Mr. Casellas started working for the government as General Counsel of the U.S.