There are three blocks, A, B and C. Block A 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. Below block A there is block B with one medium blue square in it. Finally, there is block C to the left of block A. It has two medium black squares. Medium black square number one is below medium black square number two. It also contains a medium yellow square. The medium yellow square is below medium black square number one and medium black square number two.
Which object is below a medium black square? medium black square number one or the medium black square that is touching the bottom edge of a block?
medium black square  number one the medium black square  that is touching the bottom edge of a block  both of them none of them