We have three blocks, A, B and C. A small blue circle is in block A. Block B is above block A. It contains a big black square, one big blue triangle and a small black square. Below the big blue triangle which is above the small black square is the big black square. The small black square is touching the bottom edge of this block. Above the small black square is the big black square. Below block B there is block C. It contains one big blue square. This block also has a small yellow circle. The big blue square is touching the right edge of this block. It is below, near to and to the right of the small yellow circle.
Which object is below a big black square? the big blue triangle or the small blue circle?
the big blue triangle  the small blue circle  both of them none of them