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