There are two blocks, A and B. Block A is below B. Block A has two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. There is also a medium blue square in this block. It is below medium yellow square number two. Below medium yellow square number two and the medium blue square is medium yellow square number one. Block B has two medium black squares. Medium black square number one is touching the bottom edge of this block. This object is below medium black square number two.
Which object is above a medium 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