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