In a large mixing bowl combine rice, beans, apple, avocado, sweet pepper, onion, and parsley.
For dressing, in small bowl stir together bottled dressing, oil, lemon juice, vinegar, mustard, salt, and pepper to taste. Pour over salad; toss gently to coat. Cover and chill for at least 1 hour or up to 2 hours. Makes 8 side-dish servings.