We have three blocks, A, B and C. Block A contains two medium yellow squares. Below medium yellow square number two there is medium yellow square number one. Then, there is block B. It has a medium black square. Below block A and to the left of block B there is block C which has one medium black square and one medium blue square. The medium black square is below the medium blue square.
Which object is above a medium black square? medium yellow square number two or medium yellow square number one?
medium yellow square  number two medium yellow square  number one both of them none of them