The number of books hold by W is?

Study the following information carefully and answer the questions given below: Six People – S, T, U, V, W, and X live in eight different floors of building (but not necessarily in the same order). Two of the floors in the building are vacant. The lowermost floor of the building is numbered one, the one above that is numbered two, and so on till the topmost floor is numbered eight. Each one of them likes a different brands of laptop, namely Apple, Lenovo, Xiaomi, Asus, Dell and HP (but not necessarily in the same order). All have a different number of books 2, 3, 4, 5, 6 and 8 but not in same order. The difference of books of T and X is equal to the number of books hold by W. The number of floors above W is same as the number of floors between W and U. W lives an odd numbered floor above the floor numbered four. There are three people live between the two vacant floors. Only three floors between U and the one who likes Asus. The one who likes Dell lives immediately above
X. The difference of books of U and S is equal to the number of books hold by
V. Only three floors between X and S. The one who likes HP lives immediately above the one who likes Apple. T has more books than
X. T lives immediately above the one who likes Xiaomi. U has more books than S. The number of floors between W and the one who likes LENOVO is only one. The one who likes LENOVO Laptop immediately below one of the vacant floors. The floor number of the vacant floors are even – number. Only two floors are there between the one who likes HP and Asus. T lived immediately below one of the vacant floors and not on the ground floor. T neither lived on floor number 5 nor floor number 3. S has more than 3 books. The one who likes Lenovo lives on one of the floors below the floor number 4. X does not have 4 books. S has neither 2 nor 6 books. The number of books hold by T, X and W together is “4” less than the number of books hold by V, S and U together.