There are two blocks. We call them A and B. Block A is to the right of B. Block A has a big black triangle. Block B contains one medium black triangle and one small blue triangle. A medium yellow square is touching the right edge of this block. Below the small blue triangle and a big black circle there is the medium black triangle. The big black circle is touching the right edge of this block. The medium yellow square is to the right of the small blue triangle.
What is to the left of the big black triangle? a big black circle that is touching the right edge of a block or a medium black triangle?
big black circle  that is touching the right edge of  a block  medium black triangle  both of them none of them