There are three blocks, A, B and C. Block B is below and A is to the right of C. Block A contains two medium black squares. A medium yellow square is touching the bottom edge of this block. Medium black square number one is below medium black square number two. The medium yellow square is below medium black square number one and medium black square number two. Block B contains one medium blue square. Block C contains a medium blue square. This block also contains one medium yellow square. The medium yellow square is below the medium blue square.
Which object is above a medium yellow 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