There are three blocks, A, B and C. Block C is above block B and it is to the left of block A. Block A contains a medium black square. Block B contains two medium blue squares. Medium blue square number one is touching the bottom edge of this block. This object is below medium blue square number two. And block C contains a medium blue square. This block also has a medium black square. The medium blue square is below the medium black square.
Which object is above a medium blue square? the medium black square which is in block C or the medium black square that is in block A?
the medium black square  which is in block C the medium black square  that is in block A both of them none of them