<http://schema.org/headline>
"Repsol y CaixaBank venden un 20% de Gas Natural a un fondo de EE UU"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.diariosur.es/economia/201609/13/repsol-caixabank-venden-natural-20160913004847-v.html>