<http://schema.org/headline>
"E-cigarette use doubled in one year in middle and high schools "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Health_News/2013/11/15/E-cigarette-use-doubled-in-one-year-in-middle-and-high-schools/UPI-78021384494084/?spt=rln&or=1>