same two old twin sis were driving in city they crossed the red signal and kept driving a cop saw them violating he started whistling to stop them and they never stopped. when the cop speed up and over took them got ahead of those twins they parked their car the cop came and asked them when u crossed the red lights i was whistling why the hell u never stopped the twin sis replied that our mom told us if some one ever whistle at you never stop just keep on going :D

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