We have three blocks, A, B and C. Two medium black squares are in block A. Below medium black square number two there is medium black square number one.. A medium blue square is below medium black square number one and medium black square number two. To the right of block A there is block B. It contains a medium blue square. A medium yellow square is also in this block. The medium blue square is below the medium yellow square. To the left of block B there is block C. It contains one 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