We have three blocks. We call them A, B and C. There are two medium black squares in block A. There is also a medium yellow square touching the bottom edge of this block. Below medium black square number one there is the medium yellow square. Below medium black square number two there is medium black square number one. Below medium black square number two there is the medium yellow square. Then, we have block B. It contains one medium black square. Finally, to the left of block B we have block C. It is to the left of block A. It has two medium black squares. Medium black square number one is below medium black square number two. A medium blue square is touching the bottom edge of this block. It is below medium black square number one and medium black square number two.
What is above the blue thing? a medium black square or a medium yellow square which is touching the bottom edge of a block?
medium black square  medium yellow square  which is touching the bottom edge of a block  both of them none of them