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