We have three blocks, A, B and C. One medium black square is in block A. Above block A there is block B. It has one medium blue square. Below block A there is block C with two medium black squares in it. There are also one medium blue square and one medium yellow square in this block. Below medium black square number two and the medium yellow square there is medium black square number one. Medium black square number two is below the medium blue square and the medium yellow square. Below the medium yellow square there is the medium blue square.
Which object is above a medium black square? the medium blue square that is in block C or the medium blue square that is in block B?
the medium blue square  that is in block C the medium blue square  that is in block B both of them none of them