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