Question (1-5):Study the following carefully and answer the question given below:

Eight boxes – P, Q, R, S, T, U, V and W are placed one above the another but not necessarily in the same order. Three boxes are placed between S and Q. Two boxes are placed between T and Q. Two boxes are placed between P and W. W is placed immediately below Q. Two boxes are placed between R and V. Two boxes are placed between P and U. Box V is not placed at the bottom.

How many boxes are placed between S and R?