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