<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.abt.com/product/45833/Trane-XR95-Series-Premium-Single-Stage-Gas-Heating-Furnace-TUH1B080A9421B.html?source=alsobought>