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