Anchor: Two male friends sit at table in a restaurant discussing bar camp, which one advertises with a small sign.
Entailed: Bob was talking to Bill about bar camp while having lunch at a restaurant.
Contradiction: Sue and Jane were eating dinner.
Contradiction: Some people are in a rowboat.
Contradiction: Runners have finished a race.
Contradiction: He threw the powders into the fire and ran away screaming.
Contradiction: Someone riding a bike.