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