There are three blocks. Lets call them A, B and C. One medium blue square is in block A. A medium black square is below the medium blue square. Block B is to the left of block A. It has one 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. Finally, we have block C which is to the left of block A. It contains a medium yellow square.
Which object is to the left of a medium black 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