There are three blocks, A, B and C. One medium yellow square is in block A. To the left of block A is block B. It has three medium black squares. Medium black square number one is below medium black square number two and medium black square number three. Medium black square number two is below medium black square number three. Finally, we have block C to the left of block A. It has a medium blue square. This block also has a 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 to the left of a medium square? the medium black square that is in block C or medium black square number one?
the medium black square  that is in block C medium black square  number one both of them none of them