There are three blocks. We call them A, B and C. One medium yellow square is in block A. Block B is below block A. It has one medium blue square and one medium black square. Below the medium black square there is the medium blue square. Finally, we have block C. It is to the left of block A. It has two medium black squares. Medium black square number one is below medium black square number two.
Which object is to the left of a medium square? medium black square number two or the medium black square that is in block B?
medium black square  number two the medium black square  that is in block B both of them none of them