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