We have three blocks. Lets call them A, B and C. Block A has one medium blue square and a medium blue triangle. A small black square is to the left of the medium blue triangle. Near to and to the right of the small black square there is the medium blue square. Block B is above block A. It has a medium yellow triangle. The medium yellow triangle is touching the right edge of this block. A big black triangle is touching the bottom edge of this block. It is to the left of the medium yellow triangle. To the left of block B there is block C with a big black circle in it. A medium black triangle is touching the right edge of this block. It is to the right of the big black circle.
What is below the thing that is touching the bottom edge of a block? a big black circle or a medium blue triangle?
big black circle  medium blue triangle  both of them none of them