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