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