We have three blocks. Lets call them A, B and C. There is a medium black square in block A. To the left of block A there is block B. It has one medium black square, one medium blue square and a medium yellow square. Below the medium blue square which is below the medium yellow square is the medium black square. It is below the medium yellow square. Above block A there is block C. It contains one medium yellow square.
Which object is to the left of a medium black square? the medium yellow square that is in block B or the medium yellow square which is in block C?
the medium yellow square  that is in block B the medium yellow square  which is in block C both of them none of them