23. The computer readable storage medium of claim 1 , wherein providing to the user the acknowledgment associated with the first intent and the second intent comprises: displaying the first candidate substring using a first emphasis and displaying the second candidate substring using a second emphasis that is different than the first emphasis.
24. The computer readable storage medium of claim 23 , wherein each of the first emphasis and the second emphasis comprise one or more of bold text, italic text, underlined text, circled text, outlined text, colored text, and clustered text.