We have three blocks. Lets call them A, B and C. Block A has two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. Below a medium black square is medium yellow square number two. Medium yellow square number one is below the medium black square and medium yellow square number two. Block B is below block A. It has one medium yellow square. Below block A there is block C which contains one medium black square.
Which object is above a medium black square? medium yellow square number two or the medium yellow square that is in block B?
medium yellow square  number two the medium yellow square  that is in block B both of them none of them