1/4 oz Bacardi(R) white rum

1/4 oz Captain Morgan(R) spiced rum

1/4 oz Malibu(R) coconut rum

1/4 oz dark rum

1 oz grenadine syrup

1 splash sweet and sour mix

6 oz Sprite(R) soda

Pour liquor over ice. Add grenadine, splash of sour and fill with Sprite. Give it a good shake and serve.