<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%2F3974277734%2Fpuregear-pureboom-tangle-free-in-ear-stereo-headset-with-integrated-hands-free-high-grade-mic>