There are three blocks. Lets call them A, B and C. Block A contains a medium black square. A medium blue square is below the medium black square. To the left of block A we have block B with one medium black square in it. Finally, we have block C to the left of block A. It has two medium blue squares. Below medium blue square number two is medium blue square number one.
Which object is to the left of a medium blue square? the medium black square which is in block B or the medium black square which is in block A?
the medium black square  which is in block B the medium black square  which is in block A both of them none of them