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