<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%2Fff068984125a%2F2-carat-solitaire-necklace-and-stud-earrings%3Finternal_campaign%3Dchannel>