Moroccan Rice Tuna Salad


(Salad) 1 tomato
(Salad) 1/2 red pepper
(Salad) 1/2 green pepper
(Salad) 3 cups of cooked rice
(Salad) 10 oz of canned tuna
(Salad) 3/4 cup of corn
(Salad) 1/2 cup of Mozarella cheese cut into small cubes
(Salad) 4-5 black olives cut into small pieces
(Salad) 1 tablespoon of finely chopped parseley
(Sauce) 4 tablespoons of olive oil
(Sauce) 2 teaspoons of Dijon mustard
(Sauce) 2 tablespoons of Mayonnaise
(Sauce) Juice from 1 lemon
(Sauce) Salt and pepper