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