We have three blocks. We call them A, B and C. There is one medium black square in block A. Block B is to the right of block A. It has a medium black square. Finally, there is block C. It is to the right of block B. It has a medium black square, a medium yellow square and one medium blue square. The medium black square is touching the bottom edge of this block. The medium yellow square is below the medium blue square. Below the medium yellow square is the medium black square. It is below the medium blue square.
What is above the object that is touching the bottom edge of a block? a medium black square or a blue object?
medium black square  blue object both of them none of them