Four books are selected at random from a bookstore and classified as hardcover or paperback. List the elements of the sample space S?, using the letter H for hardcover or P for paperback. Define a second sample space S? where the elements represent the number of paperback books selected.List the elements of the sample space S?. Choose the correct answer below.A. S1 = {HHHH, HHHH, HHPP, HHPP, HPHH, HPPP, HPHH, HPPP, PHHH, PHPP, PHHH, PHPP, PPHH, PPPP}B. S1 = {HHHH, HHHP, HHPH, HHPP, HPHH, HPHP, HPPH, HPPP, HHHH, HHHP, HHPH, HHPP, HPHH, HPHP, HPPH, HPPP)C. S1 = {HHHH, HPHH, HPHP, HPPH, HPPP, HPHH, HPHP, HPPH, HPPP, PHHH, PHHP, PHPH, PHPP, PHHH, PHHP, PHPH, PHPP, PPPP}D. S1 = (HHHH, HHHP, HHPH, HPHH, PHHH, HHPP, HPHP, HPPH, PHPH, PPHH, PHHP, HPPP, PHPP, PPHP, PPPH, PPPP)List the elements of the sample space S?. Choose the correct answer below.A. S? = {1, 2, 3, 4)B. S? = (0, 1, 2, 3, 4)C. S? = {1, 2, 3, 4, 5)D. S? = {0, 1, 2, 3)