Seven neighbors i.e A, B, C, D, E, F and G lives in a seven floor building in such a way that topmost floor is numbered as 7 bottom most is numbered as 1 but not necessarily in the same order. C lives on a prime numbered floor. F does not live on an odd numbered floor and is somewhere below E but not immediate below.  There are three floors between E and C. G is living immediate above A and A does not live on prime numbered floor. D doesn't live on an odd numbered floor and B doesn't live on prime numbered of floor . Then who lives immediate below E?