24. A method as described in claim 19 , wherein the processing includes parsing the natural language input into words and finding a sense for each word that identifies a respective said part-of-speech for the natural language input.
24. A method as described in claim 19 , wherein the processing includes parsing the natural language input into words and finding a sense for each word that identifies a respective said part-of-speech for the natural language input. 26. A method as described in claim 24 , wherein the processing is based at least in part on similarity of lexical functional groups of the words in the natural language input and the plurality of words included in the vocabulary, respectively.