I. Solar panels are becoming a common sight on residential rooftops. II. Obesity increases the risk of developing type two diabetes considerably. III. Excess body fat can interfere with the body's insulin response. IV. Regular physical activity helps regulate blood sugar levels effectively. V. Doctors often recommend gradual weight loss rather than extreme diets. (I-V) numaralı cümlelerden hangisi parçanın bütünlüğünü bozmaktadır?