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