13. The computer program product of claim 12 , wherein the extracted features of the input question are further identified by the computer readable program causing the computing device to: identify one or more synonyms associated with the terms added to the extracted features; and add the one or more synonyms associated with the terms to the extracted features.
12. The computer program product of claim 8 , wherein the extracted features of the input question are identified by the computer readable program causing the computing device to: identify a utility of each term in the input question; eliminate zero or more terms within the input question that comprise a utility less than a predetermined value; and add the remaining terms in the input question to the extracted features.