<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/71135000/jpg/_71135631_c0166859-snotty_child_with_a_cold-spl.jpg>
<http://www.bbc.com/news/health-24957090>