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