1. (100 points) A database has five transactions. Let min sup = 60% and min conf= 75% TID T100 T200 T300 T400 T500 tems-bought E, E, K, K, M, N, N, O, Y, Y D, D, D, E, K, N, N, O, O, Y A, E, E, K, K, K, M, M, M C, C, C, E, M, O, U, U, U, Y (a) Find all frequent itemsets using Apriori method (b) List all of the strong association rules (with support s-60% and confidence c=75%) matching the following metarule, where X is a variable representing customers, and item, denotes variables representing items (e.g., "A", "B", etc.) buys(X, item1) and buys(X, item2)) => buys(X; item3) [s, c]