We have two blocks. Lets call them A and B. There are two medium blue squares in block A. Medium blue square number one is below medium blue square number two. This block also has one medium yellow square. There is also one medium black square in this block. It is below medium blue square number one and medium blue square number two. The medium yellow square is below medium blue square number one. It is below the medium black square. To the right of block A there is block B which has a medium black square.
Which object is to the left of a medium black square? medium blue square number two or medium blue square number one?
medium blue square  number two medium blue square  number one both of them none of them