There are two blocks, A and B. There are a medium black square and a medium yellow square in block A. The medium black square is touching the bottom edge of this block. This shape is below the medium yellow square. To the left of block A there is block B. It has a medium blue square, a medium yellow square and one medium black square. The medium blue square is touching the bottom edge of this block. Below the medium black square there is the medium yellow square. Below the medium black square and the medium yellow square there is the medium blue square.
Which object is to the left of a medium yellow square? the medium black square which is in block B or the medium black square that is touching the bottom edge of a block?
the medium black square  which is in block B the medium black square  that is touching the bottom edge of a block  both of them none of them