There are three blocks, A, B and C. Block A has a medium black circle. Then, we have block B which has one small black circle, one small black triangle and a medium black triangle. The small black circle is to the right of the small black triangle. Above and near to the medium black triangle there is the small black triangle. Block C is above block B and below block A. It contains one big black triangle.
What is below the medium black circle? a small black circle or a small black triangle?
small black circle  small black triangle  both of them none of them