REQUIREMENTS * (Please identify the candidate keys of the given relations in Questions. Please show the process to justify the I) The given relation is R1(ABCDE). The given dependencies are ABCDEDA II) The given relation is R2(ABCDE). The given dependencies are ABBECD III) The given relation is R3(ABCDE). ABCBDDE IV) The given relation is R4(ABCDE). The given dependencies are ABBCDEBCACEDE V) R5(A,B,C,D,E) The given dependencies are AB,BCD,EC,DA