13. The system of claim 11 wherein the data sample corresponds to a search query and a document, and wherein the objective questions result in the data sample being labeled with data indicating the document's perceived relevance to the search query.
13. The system of claim 11 wherein the data sample corresponds to a search query and a document, and wherein the objective questions result in the data sample being labeled with data indicating the document's perceived relevance to the search query. 14. The system of claim 13 wherein the document corresponds to a commercial product.