There are two blocks, A and B. Block A has two medium black squares. Medium black square number one is touching the bottom edge of this block. It is below medium black square number two. To the right of block A there is block B. It has one medium black square, one medium blue square and one medium yellow square. The medium black square is touching the bottom edge of this block. Below the medium yellow square there is the medium blue square. Below the medium yellow square there is the medium black square. This object is below the medium blue square.
What is below the blue shape? a medium black square or a yellow object?
medium black square  yellow object both of them none of them