We have three blocks, A, B and C. Block A is below B and block B is below C. Block A contains a medium black square. Block B contains one medium black square. And block C has three medium yellow squares. There is also one medium blue square touching the bottom edge of this block. The medium blue square is below medium yellow square number one and medium yellow square number three. Below medium yellow square number three there is medium yellow square number two. Medium yellow square number one is below medium yellow square number two and medium yellow square number three.
Which object is above a medium black square? medium yellow square number two or medium yellow square number one?
medium yellow square  number two medium yellow square  number one both of them none of them