<http://schema.org/keywords>
"super bowl xlix super bowl new england patriots patriots seattle seahawks seahawks nbc al michaels cris collinsworth bill belichick tom brady Richard Sherman"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/nfl/2015/01/26/super-bowl-xlix-nbc-seahawks-patriots>