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