Tropicana Cocktail

Description
A rum drink.

Ingredients

 * 1 1/4 oz Light Rum
 * 5 oz Pineapple Juice
 * 2 oz Grapefruit Juice
 * 1 dash Grenadine
 * Ice

Directions
Mix all ingredients in a glass filled with ice cubes. Top with a ring of pineapple.