There are three blocks, A, B and C. Block A is above C and block C is to the left of B. Block A contains a big yellow circle. Block B contains one small blue triangle. This block also has a small yellow circle. Below the small yellow circle is the small blue triangle. And block C has one big blue circle and a medium yellow triangle. To the left of the big blue circle and the medium yellow triangle is a small black triangle. The medium yellow triangle is touching the bottom edge of this block.
Which object is below a big yellow circle? the small yellow circle or the small blue triangle?
the small yellow circle  the small blue triangle  both of them none of them