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