There are two blocks, A and B. Block A is above B. Block A has a medium black square and one medium blue square. The medium black square is touching the bottom edge of this block. It is below the medium blue square. Block B has a medium blue square and a medium black square. It also contains one medium yellow square. Below the medium yellow square and the medium black square is the medium blue square. Below the medium yellow square is the medium black square.
Which object is above a medium square? the medium blue square that is in block A or the medium blue square that is in block B?
the medium blue square  that is in block A the medium blue square  that is in block B both of them none of them