<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil>
<http://www.womansday.com/health-fitness/workout-routines/g67/20-surprising-ways-to-burn-100-calories-111251/?src=shelter_footer>