We have three blocks, A, B and C. There is a medium yellow square in block A. Block B is below block A. It has a medium black square, a medium blue square and a medium yellow square. Below the medium yellow square and the medium blue square is the medium black square. The medium blue square is below the medium yellow square. Finally, we have block C which is above block B. It contains two medium blue squares. Medium blue square number one is below medium blue square number two.
Which object is above a medium yellow square? the medium blue square which is in block B or medium blue square number one?
the medium blue square  which is in block B medium blue square  number one both of them none of them