Seven friends O, P, Q. R, S, T and U are watching a movie sitting in a row facing north direction. P is sitting at one extreme end. Q is sitting to the immediate left of S. P is sitting second to the right of T. U is not sitting at any extreme end. O is sitting between R and T. Who is sitting in the middle?

• A. T
• B. R
• C. O
• D. Q