P, Q, R, S & T are sitting in a straight line facing North. P sits next to S but not to T. Q is sitting next to R who sits on the entrance left corner. Who sits to the left of S if T does not sit next to Q?
In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.