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