Question.No.2 (Marks: 2x5=10) (CLO 1, PLO (a-1) | (Level: Easy] Provide logical answers to following questions a) Differentiate between Collaborative filtering or Content based with the help of an example b) Why do we carry out, stop words removal and POS Tagging? c) Share three real-world applications of sentiment analysis applied in data science? d) What is the purpose of associative classification and which measures are used to evaluate it? e) Why do think that an expert of recommender system should know data mining as well as information retrieval