What will happen when the following script is run?

a $=10$

b $=20$

c $=3$

d $=0$

if a $>$ b:

d $=4$

else:

if a $>$ c:

d $=5$

print$($d$)$

$4$ will be printed

$5$ will be printed

$0$ will be printed

NameError: name $\text{'}$d$\text{'}$ is not defined