We have three blocks, A, B and C. Block A has a medium yellow triangle. Block B is below block A. It contains a big black circle, one medium yellow triangle and a small black circle. The big black circle is far from, to the left of and above the medium yellow triangle. The medium yellow triangle is touching the right edge of this block. It is below and to the right of the small black circle. Finally, we have block C. It is below block B. It has a big black triangle, a small blue square and a medium black triangle. Above the medium black triangle there is the small blue square. The big black triangle is near to and to the left of the medium black triangle.
What is above the big black triangle? a small black circle or a big black circle?
small black circle  big black circle  both of them none of them