We have three blocks, A, B and C. A medium black square and a medium blue square are in block A. The medium black square is below the medium blue square. Then, there is block B which has a medium black square and a medium yellow square. The medium black square is touching the bottom edge of this block. This object is below the medium yellow square. Finally, below block B we have block C. It is above block A. It contains a medium blue square.
Which object is below a medium 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