We have three blocks. Lets call them A, B and C. Blocks C and B are above A. Block A has two medium blue squares. Medium blue square number one is touching the bottom edge of this block. It is below medium blue square number two. Block B contains one medium blue square and a medium yellow square. This block also has one medium black square. The medium blue square is below the medium yellow square and the medium black square. The medium yellow square is below the medium black square. And block C has one medium black square and a medium yellow square. The medium black square is touching the bottom edge of this block. It is below the medium yellow square.
Which object is below a medium black square? the medium blue square which is in block B or medium blue square number two?
the medium blue square  which is in block B medium blue square  number two both of them none of them