Direction: Read the information given and answer below question.
10 persons Manu, Mahi, Ram, Annu, Deepu, Saurabh, Golu, Anish, Raghav and Ankit live in a 4 storeyed building with lowest floor numbered as 1, immediately above it as 2, and so on. Each floor has 3 flats and all 12 of them form a grid pattern having flats directly above and /or below and/or beside them. Each flat is numbered 1, 2 and 3 in each floor from left to right. 2 flats in the building are vacant. The two vacant flats are not in the same row (floor) or column. It is further known that:
Flat number 2 on the 2nd floor is vacant. Mahi lives in an even numbered flat. Mahi lives on the 1st floor. Raghav lives to the immediate left of Golu. There is a gap of one floor in between Golu and Saurabh. None of the flats that is in the same row or same column as Saurabh is empty. Golu lives directly below a vacant flat. Manu and Golu live on the same floor. Deepu lives directly above Ram. Mahi lives on a floor with 2 other persons.
Annu lives above Ankit. Mahi and Deepu do not live on the same floor.
How many persons lives at 4th floor?

Options

A. 1
B. 2
C. 3
D. 4