8. The system according to claim 3 , wherein said polarity classifier determines said complimentary/critical polarity of each of said feedbacks on said related product features by a sentiment analysis technique.
8. The system according to claim 3 , wherein said polarity classifier determines said complimentary/critical polarity of each of said feedbacks on said related product features by a sentiment analysis technique. 9. The system according to claim 8 , wherein said sentiment analysis technique determines complimentary/critical polarity of evaluating words in each of said feedbacks on said related product features with a pre-defined sentiment dictionary.