<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%2F84e89e1a3a%2Fazuri-leopard-print-scarf-beige%3Finternal_campaign%3Dchannel>