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