We have three blocks, A, B and C. Blocks A and B are above C. Block A has a big black circle. Block B contains a small black circle and one big blue circle. The small black circle is to the left of a medium blue circle and the big blue circle. The medium blue circle is touching the right edge of this block. It is above the big blue circle. And block C contains one small yellow triangle.
What is below the big blue circle? a medium blue circle that is touching the right edge of a block or a small black circle?
medium blue circle  that is touching the right edge of  a block  small black circle  both of them none of them