9. A method as claimed in claim 5 , further comprising the step of graphically emphasizing a phrase in said display.
9. A method as claimed in claim 5 , further comprising the step of graphically emphasizing a phrase in said display. 10. A method as claimed in claim 9 , further comprising the steps of identifying a parent phrase that is the parent of said graphically emphasized phrase, and graphically emphasizing said parent phrase in said display.