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