There are three blocks. We call them A, B and C. There is one small black circle in block A. Above block A there is block B with two big yellow triangles in it. Near to, to the right of and above a big blue square is big yellow triangle number one. Big yellow triangle number two is touching the bottom edge of this block. Below and near to a small blue square is the big blue square. Big yellow triangle number two is below the small blue square. Finally, we have block C. It is to the right of block A. It contains one medium black circle and a small black triangle. To the left of the small black triangle there is the medium black circle.
Which object is above a small black circle? the medium black circle or the big blue square?
the medium black circle  the big blue square  both of them none of them