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