There are three blocks. Lets call them A, B and C. A medium yellow square is in block A. Then, we have block B. It contains two medium yellow squares. Medium yellow square number one is below medium yellow square number two. It also has a medium blue square. It is below the square which is below medium yellow square number two. A medium black square is touching the bottom edge of this block. It is below medium yellow square number two , medium yellow square number one and the medium blue square. Finally, we have block C above block B and to the left of block A. It has a medium blue square and a medium black square. The medium blue square is touching the bottom edge of this block. This object is below the medium black square.
Which object is below a medium yellow square? the medium blue square which is touching the bottom edge of a block or the medium blue square that is in block B?
the medium blue square  which is touching the bottom edge of a block  the medium blue square  that is in block B both of them none of them