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 right of the small yellow circle? a medium black circle or a small blue square?
medium black circle  small blue square  both of them none of them