We have three blocks. We call them A, B and C. There are one medium black square and one medium blue square in block A. The medium black square is touching the bottom edge of this block. It is below the medium blue square. Then, there is block B. It has one medium black square. Finally, we have block C to the left of block A and to the right of block B. It contains a medium blue square and one medium black square. Below the medium black square there is the medium blue square.
Which object is to the left of a medium black square? the medium blue square that is in block A or the medium blue square that is in block C?
the medium blue square  that is in block A the medium blue square  that is in block C both of them none of them