<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x426/54cb12c378843_-_bike-dads-08-0613-de.jpg>
<http://www.popularmechanics.com/cars/motorcycles/g1192/fathers-day-gifts-for-the-motorcycle-dad/>