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