We have three blocks. We call them A, B and C. Block A has a medium blue square, one medium yellow square and one medium black square. The medium yellow square is below the medium black square. The medium blue square is touching the bottom edge of this block. It is below the medium black square and the medium yellow square. To the left of block A there is block B which has one medium black square. Below block A there is block C with a medium blue square in it.
Which object is above a medium blue square? the medium black square which is in block B or the medium black square that is in block A?
the medium black square  which is in block B the medium black square  that is in block A both of them none of them