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