Grade is related to Excellent. Excellent is a synonym of Crucial. Crucial is related to Important. Important is related to Significance. 
Turn is a type of Form. Form is related to Official. Official is related to Council. Council is related to Panel. 
Grade <--RelatedTo--> Excellent <--Synonym--> Crucial <--RelatedTo--> Important <--RelatedTo--> Significance 
Turn --IsA--> Form <--RelatedTo--> Official <--RelatedTo--> Council <--RelatedTo--> Panel 