We have three blocks, A, B and C. There are two medium yellow squares in block A. It also has a medium blue square. The medium blue square is below medium yellow square number one and medium yellow square number two. Medium yellow square number one is below medium yellow square number two. Then, there is block B. It contains a medium black square. Finally, above block B we have block C. It is below block A. It contains a medium black square.
Which object is above a medium black square? medium yellow square number one or medium yellow square number two?
medium yellow square  number one medium yellow square  number two both of them none of them