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