<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/640x762/placeholder_54ebe90778da5_-_1407255520-pencil-squats.gif>
<http://www.womansday.com/health-fitness/workout-routines/advice/a8239/thigh-exercises-cosmopolitan/>