Reduce the following Boolean expressions to the indicated number of literals: (a)* x'z' + xyz + xz' to three literals (b)* (x'y' + 2)' + 2 + xy + wz to three literals (c)* w'x{z' + y'z) + x(w + w'yz) to one literal (d)* (w' + y)(w' + y')(w + x + y'z) to four literals (e) wxy'z + w'xz + wxyz to two literals