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