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