<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wd.com/Jeep-Lighting-Jeep-Lighting-Accessories/Headlight-Bulb.aspx?t_c=14&t_s=67&t_pt=4730&t_pn=OAI12409.03>