<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/75806000/jpg/_75806685_m8200429-premature_baby_in_an_incubator-spl-2.jpg>
<http://www.bbc.co.uk/news/health-27984883>