Study the following information carefully and answer the questions given below. Eight boxes are kept in eight different shelves such that shelves are ...

Study the following information carefully and answer the questions given below. Eight boxes are kept in eight different shelves such that shelves are marked as 1 to 8 from bottom to top respectively. Each box contains different items i.e., Utensil, Pencil, Pen, Clothes, Marker, Book, Bottle and Toffees but not necessarily in the same order. Box P is kept at an even numbered shelf and above box Q. Two boxes are kept between box P and box Q. The box which contains marker kept four boxes above box W. Box Q doesn’t contain marker. Box W is kept at an odd numbered shelf. The number of boxes kept above the box which contains marker is one less than the number of boxes kept below the box which contains pencil. More than two boxes are kept between box P and box T which is kept just below the box which contains bottle. Box R and box U kept at an adjacent shelf. Three boxes are kept between the box which contains pen and box R. Box W and the box which contains pen are not kept adjacent to each other. Box S is kept below the box which contains book. Three boxes are kept between box V and the box which contains clothes. Box T doesn’t contain utensil.

Question: On which shelf is the box containing the pen placed?