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