1.Fotball players can kick the ball,but they cannot hold the ball with their hands.
2.The tennis player can hit the ball with his racket,but he can't be touching the net.
3.Freestyle swimming means that the swimmers can swim in any stile they want, but they can't make a false start.
4.Basketball players can hit the ball, but cannot kick the ball.
5.In horse riding competitions a rider can fall once, but he cannot fall twice, or else he is eliminated.