31. The device of claim 30 , wherein the plurality of interpretations of the second substring exclude interpretations from domains that do not output the second type of concept.
30. The device of claim 27 , wherein determining the secondary user intent for the second substring comprises: determining a confidence score for a plurality of interpretations of the second substring; and determining the secondary user intent for the second substring based on an interpretation of the plurality of interpretations of the second substring having the highest confidence score.