We have three blocks, A, B and C. Block B is above block C and below block A. Block A has one small black triangle and a medium blue square. There is also one small blue circle in this block. The small blue circle is above the small black triangle and the medium blue square. Block B has a small blue circle. And block C has a medium blue triangle.
What is above the medium blue triangle? a small blue circle or a medium blue square?
small blue circle  medium blue square  both of them none of them