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