There are three blocks. We call them A, B and C. There are two medium black squares in block A. One medium blue square is also touching the bottom edge of this block. Below medium black square number one and medium black square number two is the medium blue square. Below medium black square number two is medium black square number one. Then, we have block B. It contains one medium black square. Finally, we have block C which is above block A and block B is above it. It has a medium blue square.
Which object is above a medium blue square? 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