Anchor: Two people play guitars on a stage next to other musical equipment.
Entailed: Two guitar players are on stage.
Contradiction: a 4 man band is playing on an empty stage
Contradiction: A bicyclist is biking on an off-road trail.
Contradiction: I only bought one or two because I knew I would be stuck with them.
Contradiction: A girl chases a cat.
Contradiction: Avignon was the pope from 1309 to 1377.