1.
A, B, C, D, E and F live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it is numbered 2, and so on till the topmost floor is numbered 6.
C lives immediately below F. C lives on one of the floors above floor number 3. Only two people live between C and B.
Only one person lives between E and D. E lives on one of the floors above B. Who lives on floor number 5?