Function is related to Sweat. Sweat is related to Cool. 
Southern is related to Union. Union is related to Combination. Combination is a synonym of Compound. Compound is a type of Mix. 
Function <--RelatedTo--> Sweat <--RelatedTo--> Cool 
Southern <--RelatedTo--> Union <--RelatedTo--> Combination <--Synonym--> Compound --IsA--> Mix 