How many flats are there between C’s flat and person who likes Grey?

Study the following information carefully and answer the given questions- Nine persons – A, B, C, D, E, F, G, H and I live on three different flats numbered Flat – 1, Flat – 2 and Flat – 3 in three different floors numbered floor – 1, floor – 2 and floor – 3(From Left to Right). Each floor contains three flats and flat – 1 of floor – 2 exactly above the flat -1 of floor – 1 and exactly below the flat – 1 of floor – 3. Similarly flat – 2 and flat – 3 of each floors constructed. Each likes different colours namely viz. – Grey, Blue, Red, Yellow, White, Black, Brown, Orange, and Purple. C lives in the same floor with
A. G lives immediately below
C. B lives immediately below
A. F lives on even – numbered flat in even-numbered floor. D and I lives on even-numbered flats. I lives immediately below F. E lives on odd numbered floor. E lives on one of the same flat above G. The persons who like Blue, Red and White live in odd numbered floor on odd numbered flat. A lives on flat – 1. The persons who like Black, Grey and Yellow live in even numbered floor. The person who likes Grey lives immediately below the one who likes Brown. The one who likes orange lives on even numbered flat. The person who likes Black lives immediately above the one who likes Red. The flat number of the person who likes Red is not more than 2. The persons who like White and Purple live on the same numbered flat. The one who likes White lives in the same floor with the one who likes Blue