<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%2F311e999c47%2Fiphone-5-ipad-mini-lightning-to-usb-charging-sync-cable-wall-plug%3Finternal_campaign%3Dchannel>