There are three blocks, A, B and C. Block B is to the right of C and block C is above A. Block A has one medium black circle. A big blue circle is to the right of a small black circle and the medium black circle. Block B contains one medium blue circle. Block C contains one medium yellow triangle.
What is below the medium triangle? a medium black circle or a medium blue circle?
medium black circle  medium blue circle  both of them none of them