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