We have three blocks, A, B and C. A medium yellow square and one medium blue square are in block A. The medium yellow square is touching the bottom edge of this block. This object is below the medium blue square. Then, there is block B which contains a medium black square and one medium yellow square. The medium black square is touching the bottom edge of this block. It is below the medium yellow square. Finally, we have block C below block B and to the left of block A. It contains a medium black square.
Which object is above a medium black square? the medium yellow square that is in block B or the medium yellow square that is touching the bottom edge of a block?
the medium yellow square  that is in block B the medium yellow square  that is touching the bottom edge of a block  both of them none of them