What is $A$ in the following reaction?

The major product is:

Given below are two statements,one is labeled as Assertion $(A)$ and other is labeled as Reason $(R).$
Assertion $(A):$ Gabriel phthalimide synthesis cannot be used to prepare aromatic primary amines.
Reason $(R) :$ Aryl halides do not undergo nucleophilic substitution reaction.
In the light of the above statements,choose the correct answer from the options given below.

Which of the following yields a primary amine upon acidic hydrolysis?

Which of the following amines is obtained by Gabriel phthalimide synthesis?

How can ethylamine be prepared?