There are three blocks. Lets call them A, B and C. Block B is to the left of and A is below C. Block A contains one medium black square and one medium yellow square. The medium black square is below the medium yellow square. Block B contains a medium yellow square. And block C has a medium blue square and a medium yellow square. The medium blue square is below the medium yellow square.
Which object is above a medium yellow square? the medium yellow square that is in block B or the medium yellow square that is in block C?
the medium yellow square  that is in block B the medium yellow square  that is in block C both of them none of them