Referee whistle:
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Tennis game
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Punch, Golf, exclamations, ball in the hole
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Running to base, slipping legs, Baseball
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Hitting the, hitting the ball, Billiards
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Extracting balls from a pocket, Billiards
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Curling rubbing
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Volleyball, the ball hits the floor
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Boxing, punches in boxing gloves
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Croquet game, hit the ball
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Treadmill walking
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Gym, Whistling from shoes indoors
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Boxing, punches in boxing gloves in the block
★★★★★