There are three blocks, A, B and C. Three medium black squares are in block A. Medium black square number one is touching the bottom edge of this block. Medium black square number two is below medium black square number three.. Below medium black square number two and medium black square number three is medium black square number one. Then, there is block B with one medium blue square in it. Finally, to the left of block A we have block C. It is to the left of block B. It contains two medium black squares. This block also contains a medium yellow square. It also contains a medium blue square. Below the medium yellow square is medium black square number two. The medium blue square is below medium black square number two and the medium yellow square. Below the medium yellow square and medium black square number two there is medium black square number one.
Which object is to the left of a medium black square? medium black square number one or the medium black square that is touching the bottom edge of a block?
medium black square  number one the medium black square  that is touching the bottom edge of a block  both of them none of them