Anchor: A dark-haired man standing up singing and a man in a brown hat sitting playing guitar.
Entailed: a man is standing
Contradiction: A blonde man is singing and a man in a red hat is playing guitar.
Contradiction: the man is at home sleeping
Contradiction: Two men are casually hanging out at a bar.
Contradiction: A radio is playing.
Contradiction: An orchestra is rushing out of a concert hall as the roof collapses.