<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://workingperson.com/workwear-1/uniforms/red-kap-uniforms/red-kap-pants/red-kap-pc20-sg-spruce-green-cotton-work-pant.html>