There are three blocks. Lets call them A, B and C. Block A has two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. Below a medium black square there is medium yellow square number two. Below medium yellow square number two and the medium black square is medium yellow square number one. Then, we have block B. It contains one medium yellow square. Block C is above block A and to the left of block B. It contains one 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