We have three blocks, A, B and C. There is a medium blue square in block A. This block also has a medium black square. The medium blue square is touching the bottom edge of this block. It is below the medium black square. Block B is below block A. It contains a medium yellow square. Below block B there is block C with a medium blue square and one medium yellow square in it. Below the medium yellow square there is the medium blue square.
Which object is below a medium blue square? the medium yellow square that is in block C or the medium yellow square which is in block B?
the medium yellow square  that is in block C the medium yellow square  which is in block B both of them none of them