<http://schema.org/caption>
"Wednesday is California Trucking Day, and some high-tech big rigs will be at the state Capitol, showing off some new gadgets to keep everybody safer on the road."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.kcra.com/article/10-4-california-trucking-day-revs-up-at-state-capitol/5936695>