There are three blocks, A, B and C. Block A is above B and block B is below C. Block A contains two medium yellow squares. This block also contains one medium blue square. It is below medium yellow square number two. Below medium yellow square number two there is medium yellow square number one. It is below the blue object which is below medium yellow square number two. Block B has a medium yellow square and one medium black square. Below the medium black square is the medium yellow square. Block C has one medium yellow square.
Which object is above a medium yellow square? medium yellow square number two or the medium yellow square which is in block C?
medium yellow square  number two the medium yellow square  which is in block C both of them none of them