Select the definitions for sets A and B below that show that the set equation given below is not a set identity. (B-A)UA=B A = {1} and B = {1} A = {1, 2} and B = {2, 3} A = {1} and B = {1, 2} A = {2, 4, 5} and B = {1, 2, 3, 4, 5}