1 splash of Orange Juice
1 splash of Cranberry Juice
1 splash of Midori melon liqueur (or watermelon liqueur)
3 shot of Vodka
Line up three shot glasses. Pour 1 shot of vodka into each glass. Add a splash of midori to one, a splash of orange juice to another and a splash of cranberry juice to the third. Drink them down Red, Yellow, Green. It's a stop light!