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