If S ={0, 1, 2, 3, 4, 5, 6, 7, 8, 9} and A = {2, 4, 6, 8}, B = {1, 3, 5, 7, 9}, C = {0, 2, 3, 4, 5}, and D = {1, 6, 7}, list the elements of the sets corresponding to the following events:

1. A ∪ D;

2. A ∩ B;

3. B′;

4. (B′ ∩ D) ∪ A;

5. (S ∩ D)′;

6. A ∩ C ∩ D′.