sentence: There are three black belt karate masters demonstrating and doing karate in a large gym with several spectators. sentence:  The three masters show synchronized karate chops and moves as they show striking moves with open and techniques while kicking with their right leg. sentence:  They bend their elbows and close their fists as they show some karate chops while jumping up high in the air. sentence:  The they step back as the crowd applauds for them. sentence:  Then one of the masters holds a wooden board suspended on a string while the other master concentrates and punches into the board to split it into two. sentence:  The same move is repeated several times in slow motion. sentence:  Then another master comes forward to punch a wooden baseball bat while two other masters kneel down and hold the bat. sentence:  The master first kicks the bat, retreats and then comes back with force and kicks it hard to split it into two pieces. sentence: The entire crowd cheers for him as the masters leave the stage.