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