<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.peta.org/?ReturnUrl=%2Ffeatures%2Fdog-days-of-summer-photos.aspx%3Fc%3Dweekly_enews%26PageIndex%3D2>