Six people M, N, P, Q, R and S each live on a different floor of a six-storey building, but not necessarily in the same order.The lowermost floor is the first floor and the topmost floor is the sixth floor.Only two people live between R and N.Q lives on an even-numbered floor but not on the floor numbered second or fourth.M lives on the floor immediately above P.Only three floors are there between Q and R. Who among the following lives on the first floor?