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