Consider this JavaScript program.

$$

The execution of the program occurs in this order:

main$$calls$$sub$1$

sub$1$calls$$sub$2$

sub$2$calls$$sub$3$

Assuming static scoping, a reference to value inside function sub$3$ will reference the declaration of value in $\_\_\_\_\_.$

Group of answer choices

sub$1$

main

sub$3$

sub$2$