Eight persons P, Q, R, S, T, U, V and W are sitting in a row. All of them are facing North. Each of them has a different profession i.e, Engineer, Doctor, C. A., Teacher, Lawyer, Singer, Actor, and  Entrepreneur but not necessarily in the same order. R and Q are sitting at the extreme end of the row. Three persons sit between R and the one who is a Doctor.Two persons sit between the one who is an Engineer and the one who is a Doctor. W and U are immediate neighbors of S, who is a Doctor. V sits immediately to the left of W. One person sits between the person who is a C. A. and U, who is a Teacher. P is not an Actor. P sits immediately to the left of Q, who is an Engineer. The Entrepreneur is not a neighbor of a Lawyer. Entrepreneur sits second to the right of Singer.