Choose the correct option(s) for the following set of reactions
$\begin{aligned} \mathbf{C}_6 \mathbf{H}_{10} \mathbf{O} \xrightarrow[\text { ii) } \mathrm{H}_2 \mathrm{O}]{\text { i) } \mathrm{MeMgBr}} & \underset{\text { (major) }}{\mathbf{Q}} \xrightarrow{\text { Conc. } \mathrm{HCl}} \underset{\text { (major) }}{\mathbf{S}} \\ \underset{\text { (major) }}{\mathbf{T}} & \stackrel{\text { i) } \mathrm{H}_3 \mathrm{Ni}}{\stackrel{\text { ii }}{\text { ii } \mathrm{Br}_2, \text { hv }}} \underset{\text { (major) }}{\mathbf{R}} \xrightarrow{\mathrm{HBO}_4, 360 \mathrm{~K}}\end{aligned}$