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