There are three blocks, A, B and C. Block A contains one medium blue square. Block B is to the right of block A. It contains one medium yellow square and one medium black square. The medium yellow square is touching the bottom edge of this block. It is below the medium black square and a medium blue square. Below the medium black square is the medium blue square. To the right of block B there is block C which contains 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 blue square that is in block A or the medium blue square that is in block B?
the medium blue square  that is in block A the medium blue square  that is in block B both of them none of them