There are three blocks, A, B and C. Block A contains two medium yellow squares. Medium yellow square number one is below medium yellow square number two. A medium blue square is below medium yellow square number one and medium yellow square number two. Then, we have block B with one medium blue square in it. Finally, we have block C to the right of blocks A and B. It has a medium black square.
What is to the left of the black thing? a medium yellow square number one or a medium yellow square number two?
medium yellow square  number one medium yellow square  number two both of them none of them