We have three blocks. Lets call them A, B and C. There is one medium blue square in block A. Then, there is block B which contains a medium blue square. Finally, to the left of block A we have block C. It is below block B. It contains two medium black squares. Medium black square number one is below a medium yellow square. Below the medium yellow square is medium black square number two.. Medium black square number one is below the medium black square number two.
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