Oppose is a synonym of Pit. Pit is related to Seed. Seed is related to Cotton. 
Adventure is related to Christmas. Christmas is related to Birthday. Birthday is related to Suit. 
Oppose <--Synonym--> Pit <--RelatedTo--> Seed <--RelatedTo--> Cotton 
Adventure <--RelatedTo--> Christmas <--RelatedTo--> Birthday <--RelatedTo--> Suit 