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