Study the following information carefully to answer the questions given below :
A building has seven floors numbered one to seven, in such a way that the ground floor is numbered one, the floor above it, number two and so on such that the top most floor is numbered seven. One of the seven people, viz, A, B, C, D, E, F and G lives on each floor. A lives on fourth floor. C lives on the floor immediately below B's floor. Two people live between the floors of D and G. One people lives between the floors of G and A. Four people live between the floors of C and F.