<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%2Ff594bda87a%2Fcuisinart-crc-800-8-cup-stainless-steel-rice-cooker-steamer%3Finternal_campaign%3Dchannel>