We have three blocks. We call them A, B and C. Block A contains two medium black squares. Below medium black square number two there is medium black square number one. Above block A is block B with a medium black square and a medium yellow square in it. The medium black square is below the medium yellow square. Above block B there is block C which has a medium blue square and a medium yellow square. The medium blue square is below the medium yellow square and a medium black square. Below the medium black square is the medium yellow square.
Which object is below a medium black square? medium black square number two or the medium black square that is in block B?
medium black square  number two the medium black square  that is in block B both of them none of them