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