We have three blocks. We call them A, B and C. Block A is above C. Block C is to the right of B. Block A has a big blue triangle, a small black square and a small blue square. A medium yellow triangle is touching the bottom edge of this block. This shape is below the small blue square. The small black square is to the right of the medium object which is below the small blue square. The big blue triangle is to the right of the small blue square and the medium yellow triangle. Block B contains a small black square. And block C has one medium yellow triangle and a big black circle. Above the big black circle there is the medium yellow triangle.
Which object is below a medium yellow triangle? the big blue triangle or the big black circle?
the big blue triangle  the big black circle  both of them none of them