There are three blocks, A, B and C. Two medium black squares are in block A. Medium black square number one is below medium black square number two. A medium yellow square is touching the bottom edge of this block. It is below medium black square number two and medium black square number one. Then, there is block B with a medium yellow square and a medium black square in it. Below the medium black square there is the medium yellow square. Finally, above block B we have block C. It is above block A. It contains a medium black square.
Which object is below a medium black square? medium black square number one or the medium black square that is in block C?
medium black square  number one the medium black square  that is in block C both of them none of them