There are three blocks, A, B and C. There is one medium black triangle in block A. Block B is to the left of block A. It has a medium yellow triangle. Below block A there is block C. It has a medium blue square and a big blue circle. This block also has a big yellow triangle. To the left of and above the big blue circle which is far from the big yellow triangle is the medium blue square.
What is below the black shape? a big yellow triangle or a medium yellow triangle?
big yellow triangle  medium yellow triangle  both of them none of them