<http://schema.org/headline>
"2010 Chevrolet Corvette Grand Sport vs. 2011 Ford Shelby GT500"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.roadandtrack.com/new-cars/car-comparison-tests/reviews/a16499/2010-chevrolet-corvette-grand-sport-vs-2011-ford-shelby-gt500/>