There are three blocks. We call them A, B and C. There is a medium blue square in block A. Below the medium blue square there is a medium black square. To the right of block A there is block B. It has one medium blue square. A medium black square is also in this block. The medium blue square is touching the bottom edge of this block. It is below the medium black square. Finally, we have block C. It is below block A. It contains a medium yellow square and one medium blue square. The medium yellow square is touching the bottom edge of this block. It is below the medium blue square.
Which object is to the left of a medium black square? the medium blue square that is touching the bottom edge of a block or the medium blue square which is in block A?
the medium blue square  that is touching the bottom edge of a block  the medium blue square  which is in block A both of them none of them