There are three blocks. Lets call them A, B and C. Block A contains a medium blue square. Block B is above block A. It has one medium yellow square and one medium blue square. The medium yellow square is touching the bottom edge of this block. It is below the medium blue square. To the left of block B there is block C. It contains two medium black squares. Medium black square number one is below medium black square number two.
Which object is below a medium black square? the medium blue square that is in block B or the medium blue square that is in block A?
the medium blue square  that is in block B the medium blue square  that is in block A both of them none of them