There are two blocks, A and B. There are two medium black squares in block A. Below a medium yellow square and medium black square number two there is medium black square number one. Below the medium yellow square is medium black square number two. A medium blue square is touching the bottom edge of this block. It is below the medium yellow square and medium black square number two. Block B is to the right of block A. It contains one medium blue square and one medium yellow square. The medium blue square is touching the bottom edge of this block. It is below the medium yellow square.
Which object is to the left of a medium blue square? medium black square number one or medium black square number two?
medium black square  number one medium black square  number two both of them none of them