Direction: Study the following information carefully and answer the given questions.

Six boxes are P, Q, X, Y, E, S kept in a column where the bottommost box is numbered as 1 and the box just above it as 2 and so on. How many boxes are there between P and E?

I) There are two boxes are between X and Y. Three boxes are kept between X and P. Y is below P. 
II) Q is the lowermost box. Number of boxes between Q and E is equal to the number of boxes between E and Y. Q is not immediate below E.
III) Box S is 4th from bottom. One box is between P and S. More than One box is kept between S and Q.