premise1: Two persons wearing black headgear and white hand pads are engaged in a martial arts exhibition with many people watching in the background.
premise2: Two men practicing kung fu fighting while their trainer watches.
premise3: Two men involved in a mixed martial arts competition.
premise4: Men sparing with each other at a gym.
premise: Two persons wearing black headgear and white hand pads are engaged in a martial arts exhibition with many people watching in the background. Two men practicing kung fu fighting while their trainer watches. Two men involved in a mixed martial arts competition. Men sparing with each other at a gym.
hypothesis: Men playing a game.