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