There are three blocks, A, B and C. Block A contains a big yellow triangle. Then, we have block B with one big blue square in it. To the right of the big blue square is a small black triangle. Above blocks A and B there is block C with a small yellow triangle and a small black triangle in it. To the left of and below the small black triangle is the small yellow triangle.
What is below the small yellow triangle? a small black triangle or a big yellow triangle?
small black triangle  big yellow triangle  both of them none of them