Six persons – P, Q, R, S, T and U are sitting in a straight line, three persons are south facing and three persons are north facing. P faces the north direction and sits at the left corner of the line. S is sitting fourth right to the P. U is sitting third right to the S. R is sitting left to the U and R faces south direction. Q is sitting between R and S. Who is sitting right corner of the line and in which direction?