<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/77198000/jpg/_77198206_davidcameronmeetingsandhurstofficercadets2010getty.jpg>
<http://www.bbc.co.uk/news/education-28953881>