We have three blocks. Lets call them A, B and C. Block A contains a medium blue circle, a small blue triangle and a big black circle. The medium blue circle is touching the right edge of this block. It is near to and above the small blue triangle. This shape is below the big black circle. Block B is below block A. It has a medium black circle. Above block A there is block C. It has one big blue circle and a big black triangle. The big blue circle is to the left of the big black triangle.
What is above the shape that is touching the right edge of a block? a medium black circle or a big black circle?
medium black circle  big black circle  both of them none of them