<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wd.com/Exterior-Parts-Car-Care/Rear-Tail-Light-EuroGuards.aspx?t_c=3&t_s=470&t_pt=3872&t_pn=RUG11301.01>