There are three blocks. Lets call them A, B and C. A medium yellow square is in block A. Block B is above block A. It has one medium yellow square. Above block B there is block C which contains two medium yellow squares. Medium yellow square number one is below medium yellow square number two. This block also contains a medium blue square. Below medium yellow square number two is the medium blue square. This object is below medium yellow square number one.
What is above the blue object? a medium yellow square number one or a medium yellow square that is in block B?
medium yellow square  number one medium yellow square  that is in block B both of them none of them