52. The apparatus of claim 49 , further comprising instructions to: determine that more than one megacategory matches, and when there are determined matches, select a response template corresponding to a megacategory having the highest summed specificity rank from the set of patterns.
53. The apparatus of claim 52 , further comprising instructions to: determine that more than one megacategory has the highest summed specificity rank, select a megacategory having a pattern having the single highest specificity rank.