We have three blocks, A, B and C. Block A contains a small black triangle and a medium blue square. The small black triangle is above the medium blue square. Block B is to the right of block A. It has one medium black circle and a small blue circle. Above the small blue circle is the medium black circle. The small blue circle is touching the bottom edge of this block. Finally, we have block C below block A. It contains two small blue triangles. Small blue triangle number one is above small blue triangle number two.
What is below the medium blue object? a medium black circle or a small blue triangle?
medium black circle  small blue triangle  both of them none of them