<http://schema.org/keywords>
"Alexis S\u00E1nchez,Arsenal,Arsene Wenger,Chelsea,F\u00FAtbol,F\u00FAtbol internacional,Premier League,Premier Leasgue"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.biobiochile.cl/noticias/2016/01/21/wenger-y-lento-regreso-de-alexis-no-nos-podemos-permitir-otro-reves.shtml>