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