Aluminum is related to Silver. Silver is related to Fill. Fill is a type of Repair. Repair is a synonym of Restore. 
Protest is the opposite of Agreement. Agreement is a synonym of Settlement. Village is a type of Settlement. 
Aluminum <--RelatedTo--> Silver <--RelatedTo--> Fill --IsA--> Repair <--Synonym--> Restore 
Protest <--Antonym--> Agreement <--Synonym--> Settlement <--IsA-- Village 