We have three blocks. Lets call them A, B and C. Block B is above A. Block A is to the left of C. Block A has a medium blue square. Block B contains three medium yellow squares. Below medium yellow square number three and medium yellow square number two there is medium yellow square number one. Below medium yellow square number three there is medium yellow square number two. Block C has one medium blue square.
Which object is below a medium yellow square? medium yellow square number one or medium yellow square number two?
medium yellow square  number one medium yellow square  number two both of them none of them