<http://schema.org/keywords>
"colin kaepernick colin kaepernick protest colin kaepernick police protest colin kaepernick socks colin kaepernick pig socks colin kaepernick police socks"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/extra-mustard/2016/09/01/san-francisco-49ers-colin-kaepernick-anthem-protest-police-pigs-socks>