<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/60871000/jpg/_60871376_m8740359-antibiotic_resistant_bacteria-spl-1.jpg>
<http://www.bbc.co.uk/news/health-18422288>