<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%2F20fe0928f5%2Fvibe-noise-reduction-deluxe-dj-headphones-choice-of-10-colors>