<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%2F9b40bc6d43dd%2Fduracell-80-pack-40-aa-40-aaa%3Finternal_campaign%3Dchannel>