There are three blocks. Lets call them A, B and C. Block C is above B. Block B is below A. Block A has a medium yellow square. Block B contains one medium blue square. A medium yellow square is below the medium blue square. And block C contains three medium blue squares. Below medium blue square number two which is below medium blue square number three there is medium blue square number one. This object is below medium blue square number three.
Which object is above a medium yellow square? medium blue square number one or medium blue square number three?
medium blue square  number one medium blue square  number three both of them none of them