When primary amines are treated with $HCl$,the product obtained is

$A$ solution of methyl amine:

Which of the following reactions does not give a primary amine as a product?

In the given reaction,$[X]$ will be:

The reagent $P$ used for the reaction is

Succinic acid $\xrightarrow{\Delta } (A)$ $\xrightarrow[\Delta ]{NH_3} (B)$ $\xrightarrow[KOH]{Br_2} (C);$ Product $(C)$ will be