There are three blocks, A, B and C. Block B is below block C and above block A. Block A has one medium yellow square. Block B has two medium yellow squares. Below medium yellow square number two is medium yellow square number one. A medium black square is touching the bottom edge of this block. It is below medium yellow square number two and medium yellow square number one. And block C contains one medium yellow square and one medium blue square. The medium yellow square is touching the bottom edge of this block. It is below the medium blue square.
What is below the blue thing? a medium yellow square number two or a medium yellow square number one?
medium yellow square  number two medium yellow square  number one both of them none of them