There are three blocks. We call them A, B and C. Block C is to the left of B and block A is below C. Block A contains one small blue circle. It also has one medium black triangle. This block also contains a small black triangle. The small blue circle is near to and touching the small black triangle. This shape is to the right of the medium black triangle. Block B has a medium black square. And block C contains one big black circle, a big yellow triangle and a medium black circle. Below the medium black circle there is the big black circle. This object is to the right of the big yellow triangle. To the left of the medium black circle there is the big yellow triangle.
What is below the big black circle? a small black triangle or a medium square?
small black triangle  medium square  both of them none of them