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