20. The computer-readable storage medium of claim 16 : wherein the text comprises an answer to a question; wherein the first analysis involves causing the text to be processed through a first filter that is based on a first selected set of rules; wherein the second analysis involves causing the text to be processed through a second filter that is based on a second selected set of rules.
22. The computer-readable storage medium of claim 20 , wherein the question is displayed on a web page, and wherein the instructions include instructions for displaying the answer on the web page in a first color if the third numerical value is greater than a threshold numerical value and in a second color if the third numerical value is less than a threshold numerical value.