We have three blocks, A, B and C. Block C is above B. Block B is above A. Block A contains a big black square. Block B has a medium yellow triangle and one small blue triangle. The medium yellow triangle is to the right of and below a medium black triangle. This shape is near to the small blue triangle. Block C has one small black square, a small black triangle and one medium yellow triangle. The small black square is to the right of the small black triangle. To the right of the medium yellow triangle there is the small black triangle. The small black square is above the medium yellow triangle.
What is below the small black triangle? a small black square or a blue triangle?
small black square  blue triangle  both of them none of them