<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/15/46/980x490/landscape-1447433302-free-throw.jpg>
<http://www.popularmechanics.com/adventure/sports/a7552/basketball-physics-the-anatomy-of-the-free-throw-7556633/?src=soc_twtr>