Study the following information carefully to answer the question 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 is numbered two and so on such that the topmost floor numbered seven. One out of seven people viz. K, N, D, S, P, Ar and A lives on each floor(not necessary in the same order). K lives on fourth floor. P lives on the floor immediately below Ar’s floor. Ar does not live on the second or seventh floor. D does not live on an odd numbered floor. N does not live on floor immediately above or below D’s floor. S does not live on the topmost floor. A does not live on any floor below P’s floor.
S lives on which floor?