There are three blocks, A, B and C. There is a medium blue square in block A. Block B is below block A. It contains one medium blue square and one medium black square. The medium blue square is below the medium black square. Finally, there is block C above block B. It contains one medium black square and a medium yellow square. The medium black square is touching the bottom edge of this block. This shape is below the medium yellow square.
Which object is above a medium blue square? the object that is touching the bottom edge of a block or the medium black square that is in block B?
the object that is touching the bottom edge of a block  the medium black square  that is in block B both of them none of them