<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/539fd24b41194_-_cos-z-after-workout-en1p37-mdn.jpg>
<http://www.cosmopolitan.com/health-fitness/how-to/g2826/your-shape-your-workout/>