There are three blocks. Lets call them A, B and C. There are a medium black square and one medium yellow square in block A. The medium black square is touching the bottom edge of this block. It is below the medium yellow square. To the right of block A we have block B. It contains a medium yellow square. To the right of block A there is block C. It has a medium yellow square. One medium black square is also in this block. Below the medium black square there is the medium yellow square.
Which object is to the left of a medium black square? the medium yellow square which is in block C or the medium yellow square which is in block A?
the medium yellow square  which is in block C the medium yellow square  which is in block A both of them none of them