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