There are three blocks, A, B and C. There is one small black triangle in block A. Then, there is block B with a small yellow triangle and a big black triangle in it. The small yellow triangle is to the right of the big black triangle. Finally, we have block C. It is below blocks A and B. It contains a medium black square and one big yellow triangle. Above, near to and to the right of the big yellow triangle is the medium black square. The big yellow triangle is touching the bottom edge of this block.
What is above the medium thing? a small black triangle or a big black triangle?
small black triangle  big black triangle  both of them none of them