We have three blocks. Lets call them A, B and C. There are two medium black squares in block A. Medium black square number one is below medium black square number two and a medium yellow square. Below the medium yellow square is medium black square number two. Below block A we have block B with one medium blue square in it. Above block A there is block C. It contains a medium blue square.
Which object is above a medium blue square? medium black square number two or medium black square number one?
medium black square  number two medium black square  number one both of them none of them