<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%2Ffc3f3fb2ef%2Fvibram-fivefingers-women-s-jaya-lr-white-grey%3Finternal_campaign%3Dchannel>