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