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