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