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