There are three blocks. We call them A, B and C. A medium blue square is in block A. The medium blue square is below a medium black square. One medium yellow square is also in this block. The medium yellow square is below the medium blue square. It is below the medium black square. To the left of block A there is block B. It has one medium black square. Finally, we have block C which is to the left of block A. It contains one medium blue square.
Which object is to the right of a medium blue 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