Amаzоn wаnts tо аutоmatically analyse customer feedback to improve their products. They provide you with the following raw review data. "The product is amazing! Exceeded my expectations." "Worst purchase ever. Completely useless." "It’s okay, nothing special." "Absolutely fantastic service and fast delivery." "Not good, but not terrible either." Answer the following. a) How would sentiment polarity affect this data? b) Propose a method to compute the sentiment polarity of a review. Illustrate your method with review #2. c) Now, consider using a machine learning approach. Outline the steps to train a model for sentiment polarity detection. d) A new review reads: "The product is neither good nor bad." If your approach returns a polarity score of 0.0, while a trained ML model predicts slightly negative. Explain why this discrepancy might occur.