We have three blocks, A, B and C. Block B is to the right of block A and below block C. Block A has a small black triangle and a medium blue triangle. To the left of and below the medium blue triangle is the small black triangle. Block B contains two medium blue triangles. Below medium blue triangle number two there is medium blue triangle number one. And block C has one small blue circle and one big black square. A small yellow triangle is near to and to the right of the big black square. The small blue circle is above the big black square.
What is below the black square? a small blue circle or a medium blue triangle?
small blue circle  medium blue triangle  both of them none of them