There are three blocks. We call them A, B and C. Two medium black squares are in block A. It also contains one medium blue square. Below medium black square number two and the medium blue square there is medium black square number one. Below the medium blue square there is medium black square number two. Then, there is block B. It contains one medium blue square. To the right of block A and to the left of block B there is block C with one medium blue square in it. The medium blue square is below a medium yellow square.
Which object is to the left of a medium blue square? the medium blue square that is in block A or the medium blue square that is in block B?
the medium blue square  that is in block A the medium blue square  that is in block B both of them none of them