We have three blocks, A, B and C. Block A is below block B and it is above block C. Block A contains one small black circle, a big yellow triangle and one medium black triangle. Above the medium black triangle and the big yellow triangle there is the small black circle. Below a small yellow circle there is the medium black triangle. It is touching the bottom edge of this block. The small black circle is touching the right edge of this block. The big yellow triangle is above the medium black triangle. It is touching the right edge of this block. The small black circle is to the right of the small yellow circle. Block B has one big black circle. And block C has one medium blue circle.
Which object is below a big black circle? the small black circle or the big yellow triangle?
the small black circle  the big yellow triangle  both of them none of them