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