We have three blocks. We call them A, B and C. Blocks B and C are above A. Block A contains one medium blue square. Block B contains one medium yellow square. And block C contains two medium black squares. A medium yellow square is also in this block. It is below medium black square number two. Below medium black square number two and the medium yellow square is medium black square number one.
Which object is above a medium square? medium black square number two or medium black square number one?
medium black square  number two medium black square  number one both of them none of them