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