<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/67166000/jpg/_67166438_f0036353-care_giver_holding_elderly_mans_hand-spl-1.jpg>
<http://www.bbc.co.uk/news/health-22350807>