We have three blocks. Lets call them A, B and C. Block A is to the right of blocks B and C. Block A has one medium yellow square. Below a medium blue square there is the medium yellow square. Block B contains two medium black squares. Medium black square number one is below medium black square number two. And block C has two medium black squares. Medium black square number one is below medium black square number two.
What is to the left of the blue thing? a medium yellow square or a medium black square?
medium yellow square  medium black square  both of them none of them