We have three blocks, A, B and C. Two medium yellow triangles are in block A. Medium yellow triangle number one is below and to the right of a small black circle. Medium yellow triangle number two is to the right of the small black circle. To the left of a medium blue square there is medium yellow triangle number one. The medium blue square is touching the right edge of this block. It is below and far from the small black circle. Block B is above block A. It has one medium blue circle. Above and to the left of the medium blue circle there is a small blue circle. Below block B there is block C. It contains a small yellow triangle, one small blue circle and a big blue triangle. It also contains a big blue circle. The small yellow triangle is below and to the right of the big blue triangle. Below and to the right of the big blue triangle there is the small blue circle. The small yellow triangle is below the big blue circle.
What is above the big blue circle? a small blue circle or a big blue triangle?
small blue circle  big blue triangle  both of them none of them