<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wheelparts.com/Tires/BFGoodrich-Mud-Terrain-KM2-tires.aspx?t_c=13&t_s=156&t_pt=100697&t_pl=6396>