<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%2F1ab4b71162%2Fsuper-bowl-47-soft-touch-mini-collectible-football%3Finternal_campaign%3Dchannel>