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