<http://schema.org/headline>
"U.K.'s National Theatre Announces Plans Through January 2014, Including 50th Anniversary Celebrations"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.playbill.com/news/article/u.k.s-national-theatre-announces-plans-through-january-2014-including-50th--209174>