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