<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%2F3fbab3ffa7%2Ffamily-photo-frame-collage-holds-up-to-3-photos%3Finternal_campaign%3Dchannel>