14. The computer program product set forth in claim 13 , wherein the second generation subsystem includes a concept-tagging API service.
14. The computer program product set forth in claim 13 , wherein the second generation subsystem includes a concept-tagging API service. 15. The computer program product set forth in claim 14 , wherein the Alchemy API service is configured to provide a set of synonyms associated with the first generation question, and wherein the concept-tagging API is configured to provide a set of keywords associated with at least one concept associated with the first generation answer.