Directions: Study the following information carefully to answer the given questions:

Six boxes labelled as P, Q, R, S, T, U were kept in the form of a stack (vertical arrangement) but not necessarily in the same order. Each of the boxes is painted in a different colour. The colours of the boxes were orange, yellow, purple, indigo, red and blue but not necessarily in the same order.

There are two boxes between S and T. S is immediately below the indigo box. There are two boxes between the red and purple boxes. P is kept immediately below the orange box. The colour of box Q is not red. T is not placed above S. Only blue box is kept between Q and the indigo box. The yellow box is kept third from the bottom of the stack. The yellow box is kept below U.