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