<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%2Fb6a2852a2e94%2Fwhite-gold-diamond-pendant-1-5ct-14k%3Finternal_campaign%3Dchannel>