We have three blocks, A, B and C. One small yellow square is in block A. Below block A we have block B. It contains a small blue triangle. This block also has a big black circle. Near to the big black circle is the small blue triangle. Below block A there is block C which contains one small yellow triangle, one medium black circle and a big blue circle. Below and to the left of the big blue circle is the small yellow triangle. The medium black circle is to the left of the big blue circle. The big blue circle is touching the right edge of this block.
Which object is below a small yellow object? the small blue triangle or the big black circle?
the small blue triangle  the big black circle  both of them none of them