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