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