There are 8 association rules: DE=>ABC, CE=>ABD, CD=>ABE, BE=>ACD, BD=>ACE, AE=>BCD, AD=>BCE, AB=>CDE, where the corresponding frequent itemset is ABCDE. (1) List all candidate rules with 4 items on the RHS obtained by the candidate generation procedure in Apriori (2) List all candidate rules with 4 items on the RHS that survive after the candidate pruning step of Apriori