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