We have three blocks, A, B and C. Block A contains two medium yellow squares. Medium yellow square number two is below a medium blue square. Medium yellow square number one is touching the bottom edge of this block. It is below the medium object which is below the medium blue square. It is below the medium blue square. To the left of block A we have block B with one medium black square in it. Finally, there is block C. It is below block A. It contains two medium black squares. Below medium black square number two there is medium black square number one.
Which object is above 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