We have three blocks, A, B and C. One big blue circle is in block A. Then, we have block B. It contains a big blue square, a small black circle and one small yellow square. Below the small yellow square and the small black circle there is the big blue square. The small black circle is above the small yellow square. Finally, above block A we have block C. It is above block B. It contains one big yellow circle.
Which object is below a big yellow circle? the small black object or the big blue circle?
the small black object the big blue circle  both of them none of them