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