Anchor: A concert band entertains, through a variety of well-known, and not-so well-known instrumentation, especially the young musician with the strange looking instrument.
Entailed: a band entertains
Contradiction: the band is acapella
Contradiction: A man in a blue tuxedo is dancing for a crowd of people at a bus station.
Contradiction: A boy taking a walk
Contradiction: I kept it unlocked.
Contradiction: People are shopping.