There are three blocks. Lets call them A, B and C. One medium blue square and a medium yellow square are in block A. The medium blue square is touching the bottom edge of this block. It is below the medium yellow square. To the right of block A is block B. It contains one medium black square. Below block A there is block C which contains one medium black square and one medium blue square. The medium black square is touching the bottom edge of this block. This shape is below the medium blue square.
Which object is below a medium blue square? the medium black square that is touching the bottom edge of a block or the yellow shape?
the medium black square  that is touching the bottom edge of a block  the yellow shape both of them none of them