There are two blocks. Lets call them A and B. Block A is above B. Block A has 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. Block B contains two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. It is below medium yellow square number two and a medium black square. The medium black square is below medium yellow square number two.
Which object is below a medium blue square? the medium yellow square which is touching the bottom edge of a block or medium yellow square number two?
the medium yellow square  which is touching the bottom edge of a block  medium yellow square  number two both of them none of them