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