<http://schema.org/keywords>
"Phillies fans Phillies fans Bryce Hareprs Phillies nationals Phillies fan home run throw back Fans throw back home run Young phillies fan keeps home run ball Young phillies fan keeps Bryce harper home run ball"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/extra-mustard/2015/04/13/phillies-fan-throw-back-bryce-harper-home-run>