We have three blocks. We call them A, B and C. Block A contains one medium black square, one medium blue square and one medium yellow square. Below the medium yellow square there is the medium blue square. The medium black square is touching the bottom edge of this block. This shape is below the medium yellow square and the medium blue square. Then, there is block B which has a medium blue square. To the left of block B and above block A there is block C. It has a medium blue square.
Which object is below 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