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.
Which object is below a medium yellow triangle? the medium black triangle or the small black triangle?
the medium black triangle  the small black triangle  both of them none of them