There are two blocks. Lets call them A and B. Block A is above B. Block A contains two big black squares. Big black square number one is to the right of a small blue square. One medium yellow square is also touching the bottom edge of this block. Below big black square number one and the small blue square is the medium yellow square. Above big black square number two is the small blue square. Block B has a big blue square.
What is above the big blue square? a medium yellow square that is touching the bottom edge of a block or a big black square?
medium yellow square  that is touching the bottom edge of a block  big black square  both of them none of them