There are three blocks, A, B and C. Block A contains a medium yellow square and a medium black square. The medium yellow square is touching the bottom edge of this block. It is below the medium black square. Block B is above block A. It contains a medium blue square. It also contains one medium black square. The medium black square is below the medium blue square. Above block A there is block C with one medium blue square in it.
What is above the yellow thing? a medium black square that is in block A or a medium black square which is touching the bottom edge of a block?
medium black square  that is in block A medium black square  which is touching the bottom edge of a block  both of them none of them