<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/10/160x213/54f5f7240b080_-_16-strategies-to-beat-arthritis-pain-mdn.jpg>
<http://www.womansday.com/health-fitness/womens-health/advice/g122/16-ways-to-beat-arthritis-26297/>