An audience of varying race, sex, and age are enthralled as two men are in a martial arts tournament, the men wear the usual white ge's while one attempts a round house kick to the others face, two refs officiate the match with one sitting at a chair blowing a whistle while the other is up close to the two fighters.
A crowd is watching a martial arts fight.
An audience is a form of crowd.    A martial arts fight is a tournament.
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