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