Select the correct syntax.

if$($a$==$b$)\{$

$$ alert$("$Hello World!"$)$;

$\}$ else $($a$==$c$\{$

$$alert$("$Good Bye World!"$)$;

$\}$ else $($b$=$c$)\{$

$$alert$("$Good Night World!"$)$;

$\}$

if$($a$==$b$)\{$

$$ alert$("$Hello World!"$)$;

$\}$ else $($a$==$c$)\{$

$$ alert$("$Good Bye World!"$)$;

$\}$ else $($b$==$c$)\{$

$$ alert$("$Good Night World!"$)$;

$\}$

if$($a$==$b$)\{$

$$ alert$("$Hello World!"$)$;

$\}$ else if $($a$==$c$)\{$

$$ alert$("$Good Bye World!"$)$;

$\}$ else $($b$==$c$)\{$

$$ alert$("$Good Night World!"$)$;

$\}$

if$($a$==$b$)\{$

$$alert$("$Hello World!"$)$;

$\}$ else if $($a$==$c$)\{$

$$ alert$("$Good Bye World!"$)$;

$\}$ else $\{$

$$ alert$("$Good Night World!"$)$;

$\}$