There are three blocks. Lets call them A, B and C. Block A contains a medium black square. Then, we have block B which has a medium black square. Finally, to the left of block B we have block C. It is to the left of block A. It contains two medium yellow squares. Medium yellow square number one is below medium yellow square number two. A medium black square is below a medium blue square, medium yellow square number one and medium yellow square number two. It is touching the bottom edge of this block.. Below medium yellow square number one there is the medium blue square.
Which object is to the left of a medium black square? the medium black square which is touching the bottom edge of a block or the blue thing?
the medium black square  which is touching the bottom edge of a block  the blue thing both of them none of them