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