18. The method of claim 8 , wherein determining a context sentiment type includes using a learning machine that is trained using sample context known to be positive sentiment-entailing, negative sentiment-entailing, or neutral.
18. The method of claim 8 , wherein determining a context sentiment type includes using a learning machine that is trained using sample context known to be positive sentiment-entailing, negative sentiment-entailing, or neutral. 19. The method of claim 18 , wherein the learning machine includes a decision tree, a neural network, a Bayesian classifier, or a support vector machine.