<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f66489aaf5c_-_cut-pineapple-half-s2-ps0714.jpg>
<http://www.delish.com/kitchen-tools/kitchen-secrets/how-to/g1297/how-to-cut-pineapple/?src=shelter_footer>