This problem concerns the following six sets: A={0,2,4,6} B={1,3,5} C={0, 1,2,3,4,5,6,7} D= E = N , F = {{0,2,4,6}} (a) What sets are subsets of A; (b) What sets are subsets of B; (c) What sets are subsets of C; (d) What sets are subsets of D; (e) What sets are subsets of E; (f) What sets are subsets of F;