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