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