There are three blocks. We call them A, B and C. Block B is to the left of C and block C is to the left of A. Block A has one small yellow circle, one medium black circle and a small black triangle. Above and touching the medium black circle there is the small yellow circle. This shape is below and to the right of the small black triangle. Block B contains a medium blue triangle. And block C has one small black square.
What is to the left of the small black triangle? a medium black circle or a medium blue triangle?
medium black circle  medium blue triangle  both of them none of them