<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/68481000/jpg/_68481813_-older_man_coughing_into_napkin-spl-1.jpg>
<http://www.bbc.co.uk/news/health-23129270>