There are three blocks, A, B and C. There are two medium yellow squares in block A. Medium yellow square number one is touching the bottom edge of this block. A medium black square is also in this block. It is below medium yellow square number two. Medium yellow square number one is below medium yellow square number two and the medium black square. Below block A is block B. It has one medium yellow square. Above block B there is block C with two medium yellow squares in it. Medium yellow square number one is below medium yellow square number two.
Which object is below a medium yellow square? the medium black square or the thing that is touching the bottom edge of a block?
the medium black square  the thing that is touching the bottom edge of a block  both of them none of them