We have three blocks. We call them A, B and C. Block C is to the left of block A and it is above block B. Block A contains one big black circle. Block B has one small blue triangle. And block C has a medium black square. This block also has a big blue triangle. This object is below the medium black square. A small yellow square is to the right of and above the blue object which is below the medium black square.
What is below the black square? a triangle which is touching the bottom edge of a block or a big black circle?
triangle  which is touching the bottom edge of a block  big black circle  both of them none of them