<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%2F6fc300da24%2Fstainless-steel-ring-with-black-embossed-lines%3Finternal_campaign%3Dchannel>