We have three blocks, A, B and C. There is a medium black square in block A. To the left of block A there is block B with a medium blue square in it. This block also has a medium yellow square. A medium black square is touching the bottom edge of this block. The medium blue square is below the medium yellow square. Below the medium yellow square there is the medium black square. It is below the blue object which is below the medium yellow square. Finally, we have block C. It is to the left of block A. It has one medium blue square.
Which object is to the left of a medium black square? the medium blue square that is in block C or the medium blue square which is in block B?
the medium blue square  that is in block C the medium blue square  which is in block B both of them none of them