<http://schema.org/keywords>
"American Ninja Warrior american ninja warrior contestants american ninja warrior stories american ninja warrior behind the scenes american ninja warrior esquire american ninja warrior 2015 american ninja warrior video american ninja warrior youtube"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/cauldron/2015/09/15/failure-american-ninja-warrior-training-cauldron>