There are three blocks. Lets call them A, B and C. Block A has one medium black square. Block B is below block A. It contains one medium yellow square. To the right of block B there is block C with one medium blue square and one medium black square in it. A medium yellow square is below the medium blue square and the medium black square. This object is touching the bottom edge of this block. The medium blue square is below the medium black square.
Which object is above a medium yellow square? the medium black square that is in block C or the medium black square that is in block A?
the medium black square  that is in block C the medium black square  that is in block A both of them none of them