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