<http://schema.org/headline>
"2014 Jaguar F-Type S vs. 2013 Porsche Boxster S"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.roadandtrack.com/new-cars/car-comparison-tests/reviews/g3840/photos-2014-jaguar-f-type-versus-2013-porsche-boxster/>