We have three blocks, A, B and C. Block A contains a medium yellow square. Then, we have block B which has one medium black square and one medium yellow square. Below the medium yellow square is the medium black square. Finally, we have block C. It is above block B. Block A is below it. It has two medium black squares. Below medium black square number two there is medium black square number one.
Which object is below a medium black square? the medium black square that is in block B or medium black square number two?
the medium black square  that is in block B medium black square  number two both of them none of them