We have three blocks, A, B and C. Block A is to the left of and C is above B. Block A has one small black triangle. This block also contains one small blue triangle. To the right of and below the small blue triangle is the small black triangle. Block B contains one big blue square and a small yellow circle. The big blue square is to the right of the small yellow circle. And block C has one small blue circle. A small blue triangle is to the right of the small blue circle.
What is below the small blue circle? a black thing or a small yellow circle?
black thing small yellow circle  both of them none of them