GATE EC 2024 Set 1 Q2 — General Aptitude

​​​​$\text{P, Q, R, S}$, and $\text{T}$ have launched a new startup. Two of them are siblings. The office of the startup has just three rooms. All of them agree that the siblings should not share the same room.

If $\text{S}$ and $\text{Q}$ are single children, and the room allocations shown below are acceptable to all.
$$\begin{array}{|l|l|l|} \hline \text{PR} & \text{TS} & \text{Q} \\ \hline \end{array}\begin{array}{|l|l|l|} \hline \text{PQ} & \text{RT} & \text{S} \\ \hline \end{array}$$

then, which one of the given options is the siblings?