There are three blocks. Lets call them A, B and C. Two medium yellow squares are in block A. There is also a medium black square in this block. Medium yellow square number one is touching the bottom edge of this block. It is below the medium black square and medium yellow square number two. Medium yellow square number two is below the medium black square. Then, we have block B. It contains a medium yellow square. Block C is above block B and block A is below it. It has a medium black square.
Which object is below a medium black square? medium yellow square number two or the medium yellow square which is in block B?
medium yellow square  number two the medium yellow square  which is in block B both of them none of them