There are three blocks, A, B and C. Block B is above A. Block A is above C. Block A has a medium blue square. Block B contains a medium yellow square. This block also contains a medium blue square. A medium black square is also in this block. The medium yellow square is touching the bottom edge of this block. Below the medium black square there is the medium blue square. Below the medium black square is the medium yellow square. It is below the blue object which is below the medium black square. And block C contains one medium blue square.
Which object is above a medium blue 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