Combine the beans, water, bay leaf and cloves in a saucepan. Cook until the beans are tender, about 3 minutes. Drain off the water. Add the vinegar and margarine. Saute for 3 minutes. Remove the bay leaf and cloves. Sprinkle on the sweetener and serve. Serves 4 One Serving = Calories: 46 Carbohydrates: 0 Protein: 1 Fat: 3 Sodium: 37 Potassium: 39 Cholesterol: 0 Exchange Value: 1 Vegetable Exchange + 1/2 Fat Exchange