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