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