There are 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. Then, there is block B. It contains one medium blue square. To the left of block B and to the right of block A there is block C which contains a medium blue square and a medium yellow square. Below the medium yellow square there is the medium blue 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