We have three blocks. We call them A, B and C. A medium black square is in block A. Block B is to the left of block A. It contains a medium yellow square and a medium blue square. Below the medium blue square there is the medium yellow square. Above block B there is block C with one medium yellow square and one medium blue square in it. Below the medium blue square there is the medium yellow square.
Which object is above a medium yellow square? the medium blue square which is in block B or the medium blue square that is in block C?
the medium blue square  which is in block B the medium blue square  that is in block C both of them none of them