<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wd.com/Jeep-Bumpers-Jeep-Tire-Carriers/3-Rear-Tube-Bumper-with-Hitch.aspx?t_c=64&t_s=26&t_pt=3486&t_pn=S%2fBJB44-RHT>