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