We have three blocks. We call them A, B and C. One medium blue triangle, one medium black circle and one medium blue circle are in block A. It also contains one medium yellow square. Below the medium black circle , a small black circle and the medium blue triangle there is the medium yellow square. The medium blue circle is touching the bottom edge of this block. The small black circle is touching the right edge of this block. To the right of block A is block B. It contains one medium blue triangle and one big black triangle. The medium blue triangle is touching the right edge of this block. This shape is to the right of and below the big black triangle. Finally, there is block C which is to the right of block A. It has a small yellow triangle. A medium yellow triangle is to the left of and above the small yellow triangle.
What is below the big thing? a medium blue circle or a medium blue triangle?
medium blue circle  medium blue triangle  both of them none of them