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