<http://schema.org/caption>
"A Susquehanna Valley man and woman have been missing for a week after taking a boat out in the Susquehanna River. Today, a helicopter was used in the search and an empty boat was spotted."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wgal.com/article/update-empty-boat-spotted-in-river-search-for-missing-couple/5900876>