<http://schema.org/keywords>
"real madrid real madrid club terrorist attack real madrid club isis attack real madrid isis real madrid supporters attack real madrid supporters attack isis isis attack iraq real madrid isis attack iraq real madrid iraq attack"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/planet-futbol/2016/05/13/real-madrid-supporters-club-terrorist-attack>