We have two blocks, A and B. Block A is below B. Block A has a medium blue triangle, a small black circle and one big yellow circle. The medium blue triangle is touching the right edge of this block. To the left of and below a medium yellow square there is a medium black square. This block also has a small yellow square. To the left of, above and near to the small yellow square there is the big yellow circle. Block B contains one medium blue triangle, a big black triangle and one small black triangle. The medium blue triangle is above the small black triangle and a small black circle. The big black triangle is above the small black circle. This block also has a medium black circle.. The big black triangle is above the medium black circle. This shape is to the left of the small black triangle.
What is above the big yellow circle? a medium black circle or a medium blue triangle?
medium black circle  medium blue triangle  both of them none of them