There are three blocks, A, B and C. Block A has a big blue circle. Then, there is block B which has one small black square, one small blue triangle and one big black triangle. The small black square is to the right of, near to and above the big black triangle. Block C is below block A and above block B. It has a big blue triangle, one small black circle and a big blue square. The big blue triangle is below the small black circle and the big blue square. The small black circle is to the left of a small yellow triangle.
What is below the big blue circle? a small black square or a big blue square?
small black square  big blue square  both of them none of them