<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/09/54eb7717462c0_-_valentines-crayons-1-22-14-original.jpg>
<http://www.countryliving.com/diy-crafts/how-to/a4929/diy-valentines-day-crayons/>