There are three blocks, A, B and C. There are one medium black square and one medium yellow square in block A. The medium black square is below the medium yellow square. Above block A is block B with a medium blue square in it. Above block A there is block C with a medium blue square in it. Below the medium blue square there is a medium black 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