We have three blocks. We call them A, B and C. There is one medium black square in block A. Block B is above block A. It has a medium yellow square. Below the medium yellow square there is a medium blue square. Above block A there is block C. It has a medium yellow square and one medium blue square. The medium yellow square is touching the bottom edge of this block. It is below the medium blue square.
Which object is above a medium square? the medium blue square that is in block B or the medium blue square that is in block C?
the medium blue square  that is in block B the medium blue square  that is in block C both of them none of them