There are two blocks, A and B. Block A is below B. Block A contains a medium blue square. Block B contains three medium yellow squares. Medium yellow square number one is below medium yellow square number two , a medium blue square and medium yellow square number three. Medium yellow square number two is below the medium blue square. The medium blue square is below medium yellow square number three.
Which object is above a medium blue square? medium yellow square number three or medium yellow square number two?
medium yellow square  number three medium yellow square  number two both of them none of them