We have three blocks, A, B and C. A medium black square and one medium yellow square are in block A. The medium black square is below the medium yellow square. Block B is to the right of block A. It contains one medium blue square. This block also contains one medium black square. Below the medium blue square is the medium black square. Below block B there is block C which contains a medium blue square.
Which object is below a medium black square? the medium blue square which is in block C or the medium blue square that is in block B?
the medium blue square  which is in block C the medium blue square  that is in block B both of them none of them