We have three blocks. Lets call them A, B and C. Block A contains a medium yellow square. Block B is below block A. It contains two medium black squares. It also contains a medium yellow square. Medium black square number one is touching the bottom edge of this block. It is below medium black square number two and the medium yellow square. Below the medium yellow square there is medium black square number two. Finally, there is block C which is below block A. It has one medium blue square.
Which object is below a medium yellow square? the medium black square that is touching the bottom edge of a block or medium black square number two?
the medium black square  that is touching the bottom edge of a block  medium black square  number two both of them none of them