Anchor: An accordion player accompanies a man and woman who are dancing a tango on a city street as several passersby watch.
Entailed: A man and a woman dance to accordion music.
Contradiction: two men play accordians alone
Contradiction: A man and a woman tango to guitar music.
Contradiction: The tango is a dance much like the jitterbug.
Contradiction: a person eats an accordion trying to earn tips, two people dance for him
Contradiction: Nobody is dancing.