There are three blocks. Lets call them A, B and C. Block A has one medium blue circle. Then, we have block B. It contains one big yellow circle, one big black circle and one big yellow triangle. This block also has a big blue square. This block also contains one small blue triangle. Below and touching the small blue triangle is the big yellow circle. The big black circle is below the small blue triangle and the big yellow triangle. Finally, we have block C. It is above block A and block B is above it. It has a small black triangle.
Which object is above a small black triangle? the medium blue circle or the big black circle?
the medium blue circle  the big black circle  both of them none of them