There are three blocks. Lets call them A, B and C. Block A contains three medium yellow squares. It also contains a medium black square. The medium black square is below medium yellow square number two , medium yellow square number one and medium yellow square number three... Medium yellow square number one is below medium yellow square number three and medium yellow square number two. Then, we have block B which has a medium yellow square. Finally, to the right of block B we have block C. It is to the right of block A. It contains a medium black square.
Which object is to the left of a medium black square? the medium yellow square which is in block B or medium yellow square number one?
the medium yellow square  which is in block B medium yellow square  number one both of them none of them