There are three blocks. Lets call them A, B and C. Block A is to the left of block B and below block C. Block A has a medium black triangle. Block B has a big blue circle. And block C has one small black square, a small black triangle and a medium yellow triangle. To the right of a big black circle is the small black square. The medium yellow triangle is near to and above a big blue triangle. Near to and to the right of the big blue triangle is the big black circle. The big blue triangle is touching the bottom edge of this block. This block also has a medium yellow square.
Which object is above a medium black triangle? the big blue circle or the small black triangle?
the big blue circle  the small black triangle  both of them none of them