We have three blocks, A, B and C. Block A has one medium black square. Block B is to the left of block A. It contains a medium yellow square and one medium black square. The medium yellow square is touching the bottom edge of this block. It is below the medium black square. Finally, we have block C which is to the right of block B. It contains a medium blue square and one medium yellow square. Below the medium yellow square there is the medium blue square.
What is to the right of the thing which is touching the bottom edge of a block? a medium black square which is in block B or a medium black square that is in block A?
medium black square  which is in block B medium black square  that is in block A both of them none of them