<http://schema.org/caption>
"A man who police said was held captive by the Boston Marathon bombing suspects after a carjacking said Monday he was shaken to the core by the experience."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wmur.com/article/boston-marathon-bomb-suspects-carjacking-victim-describes-ordeal/4521942>