There are three blocks, A, B and C. Block A contains a big black triangle. To the right of block A there is block B with a big black circle, one big black triangle and a small blue circle in it. Below and to the right of the small blue circle there is the big black triangle. It is touching the bottom edge of this block. Below the small blue circle is the big black circle. Finally, there is block C above block B. It has one small blue triangle.
Which object is below a small blue triangle? the small blue circle or the big black circle?
the small blue circle  the big black circle  both of them none of them