The elementary schools in district X began a new athletic program where students participated in school-sponsored sports at least three times per week  During this last school year, the number of obese students attending elementary schools in district X decreased substantially
Based on these figures, the district' s superintendent decided that the new athletic program was more effectual in keeping children, at least while in elementary school, from being obese
Over the last year, parents with obese children in district X began sending their children to special weekend camps designed to help children lose weight.