We have three blocks, A, B and C. There is one medium blue square in block A. To the right of block A is block B which contains a medium black square. To the left of block A there is block C with three medium black squares in it. Below a medium blue square which is below medium black square number three there is medium black square number one. Medium black square number two is below the medium blue square and medium black square number three.. Medium black square number one is touching the bottom edge of this block. It is below the medium black square number two.
Which object is to the left of a medium black square? medium black square number three or medium black square number two?
medium black square  number three medium black square  number two both of them none of them