<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.tanga.com/users/new?return_path=%2Fdeals%2Fe93ed32cca%2Fvibram-women-s-classic-sprint-fivefingers-water-shoes-black%3Finternal_campaign%3Dchannel>