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