We have three blocks. We call them A, B and C. Block B is to the left of blocks C and A. Block A has one medium black circle and one small black triangle. This block also has one big black circle. To the right of and touching the small black triangle there is the medium black circle.. Near to and to the right of the small black triangle there is the big black circle. Block B contains one small black square. Block C has a medium black circle.
What is touching the triangle? a medium black circle or a big thing?
medium black circle  big thing both of them none of them