Which of the following reactions will NOT give primary amine as the product?
$\mathrm{CH}_{3} \mathrm{CN} \underset{\left(\text {ii) } \mathrm{H}_{3} \mathrm{O}^{\oplus}\right.}{\stackrel{\text { (i) } \mathrm{LiAlH}_{4}}{\longrightarrow}}$ Product
$\mathrm{CH}_{3} \mathrm{NC} \underset{\left(\text {ii) } \mathrm{H}_{3} \mathrm{O}^{\oplus}\right.}{\stackrel{\text { (i) } \mathrm{LiAlH}_{4}}{\longrightarrow}}$ Product
$\mathrm{CH}_{3} \mathrm{CONH_2} \underset{\left(\text {ii) } \mathrm{H}_{3} \mathrm{O}^{\oplus}\right.}{\stackrel{\text { (i) } \mathrm{LiAlH}_{4}}{\longrightarrow}}$ Product
$\mathrm{CH}_{3} \mathrm{CONH}_{2} \stackrel{\mathrm{Br}_{2} / \mathrm{KOH}}{\longrightarrow}$ Product
