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