There are three blocks, A, B and C. There is a medium blue square in block A. Then, there is block B. It has two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. It is below a medium black square and medium yellow square number two. The medium black square is below medium yellow square number two. Block C is below block A and above block B. It contains two medium black squares. Below medium black square number two is medium black square number one.
Which object is below a blue object? medium black square number one or the medium black square that is in block B?
medium black square  number one the medium black square  that is in block B both of them none of them