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