<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wd.com/Drivetrain-Differential/Automatic-Transmission-Filter-and-Gasket-Kit.aspx?t_c=12&t_s=381&t_pt=5448&t_pn=OAI19003.07>