Radical is a synonym of Group. Group is related to Audience. 
Basement is related to Main. Main is related to Bread. Bread is related to Eat. Fare is a type of Eat. 
Radical <--Synonym--> Group <--RelatedTo--> Audience 
Basement <--RelatedTo--> Main <--RelatedTo--> Bread <--RelatedTo--> Eat <--IsA-- Fare 