<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://workingperson.com/workwear-1/high-visibility-clothes/high-visibility-vests/key-clothing-high-visibility-zipper-front-solid-vest-ansi-ii-class-2-89-39.html>