We have three blocks. We call them A, B and C. Block A contains two medium black squares. It also contains one medium yellow square. A medium blue square is also touching the bottom edge of this block. The medium blue square is below medium black square number two. Below medium black square number one which is below medium black square number two there is the medium yellow square. Below the black object which is below medium black square number two there is the medium blue square. This object is below the medium yellow square. To the right of block A we have block B with one medium blue square in it. Below block A there is block C which has two medium black squares. This block also has a medium blue square. This shape is below medium black square number two. Medium black square number one is below medium black square number two and the medium blue square.
Which object is below a medium black square? the medium blue square that is in block C or the medium blue square that is in block B?
the medium blue square  that is in block C the medium blue square  that is in block B both of them none of them