$\mathrm{P}, \mathrm{Q}, \mathrm{R}, \mathrm{S}$ and $\mathrm{T}$ are related and belong to the same family. $\mathrm{P}$ is the brother of $\mathrm{S} . \mathrm{Q}$ is the wife of $P . R$ and $T$ are the children of the siblings $P$ and $S$ respectively. Which one of the following statements is necessarily FALSE?
(A) $\mathrm{S}$ is the aunt of $\mathrm{R}$
(B) $\mathrm{S}$ is the aunt of $\mathrm{T}$
(C) $\mathrm{S}$ is the sister-in-law of $\mathrm{Q}$
(D) $\mathrm{S}$ is the brother of $\mathrm{P}$
$\mathrm{P}, \mathrm{Q}, \mathrm{R}, \mathrm{S}$ and $\mathrm{T}$ are related and belong to the same family. $\mathrm{P}$ is the brother of $\mathrm{S} . \mathrm{Q}$ is the wife of $P . R$ and $T$ are the children of the siblings $P$ and $S$ respectively. Which one of the following statements is necessarily FALSE?
(A) $\mathrm{S}$ is the aunt of $\mathrm{R}$
(B) $\mathrm{S}$ is the aunt of $\mathrm{T}$
(C) $\mathrm{S}$ is the sister-in-law of $\mathrm{Q}$
(D) $\mathrm{S}$ is the brother of $\mathrm{P}$