There are three blocks, A, B and C. There is one medium yellow square in block A. Then, we have block B which contains one medium blue square. Finally, we have block C which is to the left of block B and block A is to the right of it. It contains two medium black squares. One medium yellow square is also in this block. Below the medium yellow square there is medium black square number two. Below the medium yellow square and medium black square number two is medium black square number one.
Which object is to the left of a medium square? medium black square number two or medium black square number one?
medium black square  number two medium black square  number one both of them none of them