There are two blocks. Lets call them A and B. There are one medium black square, a medium yellow square and a medium blue square in block A. The medium black square is touching the bottom edge of this block. The medium yellow square is below the medium blue square. The medium black square is below the medium blue square and the medium yellow square. Block B is to the right of block A. It has one medium blue square and one medium black square. Below the medium black square there is the medium blue square.
Which object is to the left of a medium black square? the medium blue square that is in block B or the medium blue square that is in block A?
the medium blue square  that is in block B the medium blue square  that is in block A both of them none of them