Anchor: two riders jumping on dirt bikes
Entailed: The two people are using dirt bikes.
Contradiction: The two boys are riding horses.
Contradiction: He had smooth skin all over without a blemish or a bump.
Contradiction: A woman sits between buckets of tomatoes.
Contradiction: The Arabs conquered Sicily in the 18th century after seeking an alliance with Naples.
Contradiction: Recording the information required a firm thirty minutes.