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.
Which object is above a big yellow triangle? the medium yellow square or the small blue circle?
the medium yellow square  the small blue circle  both of them none of them