We have three blocks, A, B and C. A medium black square is in block A. Block B is below block A. It has two medium black squares. This block also has a medium yellow square. Medium black square number one is touching the bottom edge of this block. Medium black square number two is below the medium yellow square. Below the medium yellow square there is medium black square number one. It is below the medium black square number two. Finally, we have block C to the right of block B. It contains one medium black square.
Which object is below a medium black square? the medium black square that is in block C or medium black square number two?
the medium black square  that is in block C medium black square  number two both of them none of them