Anchor: a lone bicyclist wearing a helmet racing in a race.
Entailed: There is a bicyclist.
Contradiction: The bicyclist is naked.
Contradiction: Most of the reduction in drinking was in the patients who drank the most in the group.
Contradiction: They both looked over the list.
Contradiction: Some people are about to race on dirtbikes.
Contradiction: What are your thoughts about it?