<http://schema.org/keywords>
"serena williams venus williams andy murray us open day 1 US Open scores us open action Caroline Wozniacki caroline wozniacki rory mcilroy breakup wozniacki mcilroy"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/tennis/2014/08/25/caroline-wozniacki-rory-mcilroy-comments-daily-bagel>