Anchor: Two individuals are working with wood boards.
Entailed: Two people working.
Contradiction: An astronaut conducts a space walk.
Contradiction: A tuba player is dressed in a superhero costume along with his band mates.
Contradiction: During a small gathering, two people are playing some instruments.
Contradiction: There is no doubt about it.
Contradiction: Marauding pirates disrupted trade in the Balearics.