Please answer the below attached question

Q4. (2 Marks) Table 1 is a utility matrix, representing the ratings, on a 15 star scale, of six items, a through f, by four users A, B, C and D. (1) Treating the utility matrix as Boolean, calculate the Jaccard similarity between A and other three users. 0.5 (2) Calculate the cosine similarity between C and other three users. 1 (3) Using collaborative filtering method with user-user similarity and k=2 (i.e., based on the top-2 similar users with respect to cosine similarity}, predicate the rating of user C on item e. 0.5 Note that you may write the results as fractions rather than decimals. a b c d e f A 1 3 2 5 B 1 3 5 2 C 2 3 3 7 4 D 3 5 1 2