We have three blocks. Lets call them A, B and C. A medium black square, a medium yellow square and a medium blue square are in block A. Below the medium yellow square and the medium blue square is the medium black square. Below the medium blue square there is the medium yellow square. Then, there is block B. It has a medium yellow square. Finally, we have block C which is to the right of block B and below block A. It has one medium yellow square.
Which object is to the left of a medium yellow square? the medium yellow square that is in block A or the medium yellow square that is in block B?
the medium yellow square  that is in block A the medium yellow square  that is in block B both of them none of them