We have three blocks, A, B and C. Block C is to the left of B. Block B is above A. Block A contains one medium black square. A medium yellow square is touching the bottom edge of this block. It is below the medium black square. Block B contains one medium yellow square. Block C contains two medium black squares. Medium black square number one is below medium black square number two.
Which object is below a medium yellow square? medium black square number two or the medium black square that is in block A?
medium black square  number two the medium black square  that is in block A both of them none of them