Balloon is related to Drop. Drop is a type of Move. Raise is a type of Move. Raise is a synonym of Enhance. 
Independence is related to Day. Day is related to Christmas. Christmas is related to Thanksgiving. 
Balloon <--RelatedTo--> Drop --IsA--> Move <--IsA-- Raise <--Synonym--> Enhance 
Independence <--RelatedTo--> Day <--RelatedTo--> Christmas <--RelatedTo--> Thanksgiving 