There are three blocks, A, B and C. A medium black circle, one small black circle and one big yellow triangle are in block A. Above the big yellow triangle is the small black circle. To the right of the small black circle is the medium black circle. It is above the big yellow triangle. Block B is below block A. It has a big yellow square. Finally, we have block C. It is below block A. It contains one small black square.
Which object is above a small black square? the big yellow triangle or the small black circle?
the big yellow triangle  the small black circle  both of them none of them