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