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