We have three blocks, A, B and C. Block A contains one small yellow circle. Then, we have block B with one small yellow triangle in it. Below and to the left of the small yellow triangle there is a medium black triangle. Block C is above block B and to the left of block A. It has a small black circle and a big black circle. To the right of and near to the big black circle there is the small black circle.
What is above the small yellow triangle? a big circle or a medium black triangle?
big circle  medium black triangle  both of them none of them