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