<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%2F25b929de15%2Flight-tungsten-ring-with-gold-chain-link-inlay%3Finternal_campaign%3Dchannel>