We have three blocks, A, B and C. Block A contains one big yellow circle. This block also contains a small yellow square. The small yellow square is to the left of the big yellow circle. Above block A is block B. It has a small yellow triangle. Below block A there is block C. It contains one medium yellow triangle. This block also contains a medium yellow square. Below the medium yellow square is the medium yellow triangle.
What is below the medium yellow square? a big yellow circle or a medium yellow triangle?
big yellow circle  medium yellow triangle  both of them none of them