There are three blocks, A, B and C. One medium black circle is in block A. The medium black circle is touching the right edge of this block. This block also has a small yellow triangle. To the right of and below the small yellow triangle there is the medium black circle. Above block A there is block B with one big yellow triangle in it. Finally, we have block C. It is to the left of block B. It has one medium yellow square and one small black circle. A medium yellow triangle is also touching the bottom edge of this block. The medium yellow square is touching the right edge of this block. The small black circle is above the medium yellow triangle.. To the right of the small black circle and the medium yellow triangle is the medium yellow square.
Which object is below a yellow triangle? the small black circle or the medium black circle?
the small black circle  the medium black circle  both of them none of them