There are three blocks, A, B and C. Block A has a medium yellow square. The medium yellow square is touching the bottom edge of this block. It is below a medium blue square. Then, there is block B which contains two medium black squares. Medium black square number one is touching the bottom edge of this block. It is below medium black square number two. Block C is above block A and to the right of block B. It contains one medium black square.
Which object is below a medium black square? the medium blue square or the medium black square that is touching the bottom edge of a block?
the medium blue square  the medium black square  that is touching the bottom edge of a block  both of them none of them