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