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