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