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