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