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