Consider the following sub$\_$module$\_$verilog code:

module sub$-$module$-$verilog $($input A$,$ B$,$ output wire M$,$ N$,$S$)$;

Assign MA~$^$B;

Assign NA & ~B;

Assign S $=$ ~A & B;

endmodule

Consider the following main$\_$module$\_$verilog code:

module main$-$module$-$verilog $($input wire $[2$:$0]$ A$,$ B$,$

output wire X$,$ Y$,$ Z$)$;

wire so$,$ s$1,$ s$2,53,54,55,56,57,58$;

sub$-$module$-$verilog eq$\_$bito $(.$A $($A$[0]),$ B$($B$[0]),.$M$(50),$

$.$N$($s$1),$ S$($s$2))$;

sub$-$module$-$verilog eq$\_$bit$1(.$A$($A$[1]),$ B$($B$[1]),.$M$($S$3),$

$.$N$($s$4),.$S$($s$5))$;

sub$-$module$-$verilog eq bit$2(.$A $($A$[2]),.$B $($B$[2]),.$M$(56),$

$.$N$($s$7),.$S$(58))$;

assign X so & s$3$ & s$6$;

assign Ys$7|($s$6$ & s$4)$

$|$

$($s$6$ & s$3$ & s$1)$;

assign Z s$8|($s$6$ & s$5)$

endmodule

$|$

$($s$6$ & s$3$ & $52)$;

The module described above represents

None of the above

$3-$bit magnitude comparator

$3-$bit parity generator