We have three blocks, A, B and C. Block A contains one medium blue circle. To the left of block A there is block B. It has one big blue triangle. There is also a small black circle in this block. To the right of the small black circle there is the big blue triangle. Finally, there is block C which is below block A. It contains one small black triangle. This block also has one big yellow square. The big yellow square is above the small black triangle.
What is below the blue circle? a small black circle or a big yellow square?
small black circle  big yellow square  both of them none of them