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