Examine this package specification:

CREATE OR REPLACE PACKAGE theater$\_$pck

IS

PROCEDURE find$\_$seats$\_$sold

$($v$\_$movie$\_$id IN NUMBER, v$\_$theater$\_$id IN NUMBER$)$;

END theater$\_$pck;

You want to take advantage of package overloading. Which procedure header fails the rules of overloading?

a$.$

PROCEDURE find$\_$seats$\_$sold;

b$.$

PROCEDURE find$\_$seats$\_$sold

$($p$1$ IN NUMBER, p$2$ IN VARCHAR$2)$;

c$.$

PROCEDURE find$\_$seats$\_$sold

$($v$\_$movie$\_$id IN VARCHAR$2,$ v$\_$theater$\_$id IN VARCHAR$2)$;

d$.$

PROCEDURE find$\_$seats$\_$sold

$($v$\_$movie$\_$id IN BINARY$\_$INTEGER, v$\_$theater$\_$id IN NUMBER$)$;