Big is the opposite of Little. Little is related to Child. Peanut is a type of Child. Peanut is a type of Nut. 
Compose is a synonym of Settle. Settle is a synonym of Decide. 
Big <--Antonym--> Little <--RelatedTo--> Child <--IsA-- Peanut --IsA--> Nut 
Compose <--Synonym--> Settle <--Synonym--> Decide 