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