20. The computer-implemented method of claim 14 , further comprising: obtaining hint data indicating a likely subject matter with which the text is associated, wherein the hint data is based on at least one of a previous user input and a previous response; and adjusting at least one of the first score and the second score based at least partly on the hint data.
21. The computer-implemented method of claim 20 , wherein the adjusting at least one of the first score and the second score based at least partly on the hint data comprises reducing the second score based at least partly on the hint data indicating that the text is more likely associated with the first subject matter than the second subject matter.