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