5. Write Verilog code to implement the function f(x1, x2, x3) = Em(1, 2, 3, 4, 5, 6) using structural code. Ensure that the resulting circuit is as simple as possible. 6. Write Verilog code to implement the function f(x1, x2, x3) = Em(0, 1, 3, 4, 5, 6) using behavioral code. Ensure that the resulting circuit is as simple as possible. 7. Write Verilog code (structural code) to implement the circuit a. 8. Write Verilog code (structural code) to implement the circuit b. X1 X2 X 3 (a) Sum-of-products realization X 3 X2 H X1