<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%2F9fec5b90d401%2Fstates-capitals-wipe-clean-workbook-free-song-dl%3Finternal_campaign%3Dchannel>