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