There are three blocks, A, B and C. Block A contains a medium black square. Block B is to the left of block A. It contains two medium black squares. There is also a medium yellow square touching the bottom edge of this block. The medium yellow square is below medium black square number two and medium black square number one. Medium black square number one is below medium black square number two. Above block B there is block C which contains one medium blue square.
What is below the blue object? a medium black square which is in block A or a medium black square number one?
medium black square  which is in block A medium black square  number one both of them none of them