We have three blocks. We call them A, B and C. Block A has a small black circle. Then, there is block B with one medium yellow triangle in it. Block C is to the left of block A and below block B. It contains a big yellow triangle and one small black square. Near to, below and touching the small black square is a medium blue square. It is to the right of the big yellow triangle.
What is below the medium yellow triangle? a big yellow triangle or a small black circle?
big yellow triangle  small black circle  both of them none of them