<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://workingperson.com/workwear-1/shirts/bulwark-shirts/bulwark-7-oz-blended-men-s-khaki-dress-uniform-shirt-smu2-kh.html>