We have three blocks, A, B and C. Block A is above block B and below block C. Block A contains a medium black square. A medium yellow square is below the medium black square. Block B has two medium blue squares. Medium blue square number one is below medium blue square number two. And block C contains one medium yellow square.
Which object is below a medium yellow square? medium blue square number one or medium blue square number two?
medium blue square  number one medium blue square  number two both of them none of them