We have three blocks. Lets call them A, B and C. There is one medium black square in block A. Above block A there is block B which has one medium black square. Above block A there is block C with two medium blue squares in it. Medium blue square number one is below a medium black square and medium blue square number two. This shape is touching the bottom edge of this block. Below medium blue square number two is the medium black square.
Which object is above a medium black square? the medium black square which is in block C or the medium black square which is in block B?
the medium black square  which is in block C the medium black square  which is in block B both of them none of them