<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%2F187642725d%2F11-neoprene-sleeve-for-macbook-air-or-netbook-lady-dots%3Finternal_campaign%3Dchannel>