There are three blocks. Lets call them A, B and C. Block C is to the left of A. Block A is to the left of B. Block A has one medium black triangle. Block B contains a medium black circle. Block C has a small yellow triangle and one small blue square. It also contains one small yellow circle. To the left of the small yellow circle and the small blue square there is the small yellow triangle.
What is to the left of the medium black circle? a small yellow circle or a blue thing?
small yellow circle  blue thing both of them none of them