Directions:- Study the following information carefully to answer the question given below.
Twelve persons are sitting in two rows containing six persons each. In row- 1 - A, B, C, D, E and F are sitting facing West but not necessarily in the same order. In row-2 - P, Q, R, S, T and U are sitting facing North but not necessarily in the same order. There is an equal distance between adjacent persons.
S sits third to the right of R, S doesn't sit at any extreme. R is not an immediate neighbour of U. Two persons sit between P and Q. T sits third to the left of U.
D sits to the left of C, F sits third to the right of D. C doesn't sit at any extreme end. One person sits between B and D. C is not an immediate neighbour of B and A.
Who among the followings are at extreme ends of any row?