There are three blocks, A, B and C. A big black triangle and a big black circle are in block A. Near to and below the big black circle is a small black square. Near to, above and to the right of the big black circle is the big black triangle. Block B is below block A. It contains one small black triangle. Below block A there is block C. It has one big yellow triangle.
Which object is above a big triangle? the big black triangle or the small black triangle?
the big black triangle  the small black triangle  both of them none of them