There are three blocks, A, B and C. Two medium yellow squares are in block A. Below medium yellow square number two is medium yellow square number one. A medium black square is below medium yellow square number one and medium yellow square number two. Then, there is block B. It contains two medium blue squares. Medium blue square number one is below medium blue square number two. To the left of blocks A and B there is block C. It contains a medium black square. This block also has a medium yellow square. The medium black square is touching the bottom edge of this block. This shape is below the medium yellow square.
Which object is above a medium black square? medium blue square number two or medium blue square number one?
medium blue square  number two medium blue square  number one both of them none of them