We have three blocks, A, B and C. Block B is below C. Block C is below A. Block A has one big yellow circle. Block B has one small blue circle, a big yellow triangle and a small blue square. Near to the big yellow triangle is the small blue circle. To the left of and below a medium blue square is the big yellow triangle. The small blue square is above the medium blue square. The big yellow triangle is near to and below the blue object which is above the medium blue square. And block C has a medium yellow square. To the right of, above and near to the medium yellow square there is a big yellow triangle.
What is below the medium yellow square? a big yellow triangle that is in block C or a big yellow triangle that is in block B?
big yellow triangle  that is in block C big yellow triangle  that is in block B both of them none of them