Acetamide is treated with the following reagents separately. Which one of these would yield methylamine?

Identify '$B$' in the reaction: $\text{Acetamide}$ $\xrightarrow{\Delta, P_2O_5} A$ $\xrightarrow{4H} B$

The product $(C)$ will be

Identify the reactions which give aniline as the major product.
Choose the correct answer from the options given below.
$A$. $\text{Benzonitrile} \xrightarrow{LiAlH_4} \text{Benzylamine}$
$B$. $\text{Benzamide} \xrightarrow{KOH, Br_2} \text{Aniline}$
$C$. $\text{Nitrobenzene} \xrightarrow{NaBH_4} \text{No reaction}$
$D$. $\text{Acetanilide} \xrightarrow{HCl, H_2O, \Delta} \text{Aniline}$

What are $X$ and $Y$ in the following reactions?
$X \xrightarrow[(ii) H_2O]{(i) LiAlH_4} R CH_2 NH_2 \xleftarrow{H_2 / Ni} Y$

Suggest a route by which the following conversion can be accomplished: Cyclohexanecarboxamide to $N$-methylcyclohexanamine.