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