We have three blocks, A, B and C. Block C is below B. Block B is above A. Block A has a medium yellow square. A medium black square is below the medium yellow square. Block B contains two medium black squares. Medium black square number one is touching the bottom edge of this block. Below a medium blue square is medium black square number two. Medium black square number one is below the medium blue square and medium black square number two. Block C contains three medium black squares. This block also contains one medium blue square. The medium blue square is below medium black square number two and medium black square number three. Medium black square number one is below medium black square number two and medium black square number three. Below medium black square number three there is medium black square number two.
Which object is below a medium black square? the medium yellow square or the medium black square that is touching the bottom edge of a block?
the medium yellow square  the medium black square  that is touching the bottom edge of a block  both of them none of them