Read the following information carefully and answer the question given below.
A, B, C, D, E and F are books of six subjects. They are to be arranged on a vertical shelf such that each shelf will have only one book. The bottom shelf is the first shelf and the top one is the sixth shelf.
i) There are two shelves between shelves on which B and F are kept.
ii) B is kept on a shelf below F's shelf.
iii) Neither A nor E are kept on a shelf immediately below or immediately above the shelf which has B.
iv) A is not on an odd numbered shelf.
v) There is only one shelf between shelves of D and E.
vi) E is not on a shelf immediately below or immediately above the shelf which has C.
On which of the following shelves is Book B kept?