<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://esq.h-cdn.co/assets/cm/15/05/640x347/54cdcbc525b51_-_esq-03-running-shoes-022113-de.jpg>
<http://www.esquire.com/news-politics/g1424/health-questions-0313/>