Anchor: Two men in black shirts do handstands on a stage.
Entailed: Two men are performing on stage.
Contradiction: One man and one woman both wearing black shirts do handstands on a stage.
Contradiction: The men have no arms.
Contradiction: Two men rob the audience at gunpoint.
Contradiction: Two men are standing normally on stage.
Contradiction: Two men in black are walking on the sidewalk.