In a class of five students $\text{P, Q, R, S}$ and $\text{T},$ only one student is known to have copied in the exam. The disciplinary committee has investigated the situation and recorded the statements from the students as given below.
$\text{Statement of P: R}$ has copied in the exam.
$\text{Statement of Q: S}$ has copied in the exam.
$\text{Statement of R: P}$ did not copy in the exam.
$\text{Statement of S:}$ Only one of us is telling the truth.
$\text{Statement of T: R}$ is telling the truth.
The investigating team had authentic information that $\text{S}$ never lies.
Based on the information given above, the person who has copied in the exam is
- $\text{R}$
- $\text{P}$
- $\text{Q}$
- $\text{T}$