There are three blocks. Lets call them A, B and C. Block A contains two medium black squares. This block also contains one medium blue square. It is below medium black square number two. Medium black square number one is touching the bottom edge of this block. It is below the medium blue square and medium black square number two. Block B is below block A. It has a medium blue square. To the left of block B there is block C. It contains one medium yellow square.
Which object is below a medium black 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