Outfit is a synonym of Fit. Fit is related to Muscle. Muscle is related to Exercise. Exercise is related to Behavior. 
Effect is a type of Validity. Effect is related to Burn. Burn is related to Exercise. 
Outfit <--Synonym--> Fit <--RelatedTo--> Muscle <--RelatedTo--> Exercise <--RelatedTo--> Behavior 
Validity <--IsA-- Effect <--RelatedTo--> Burn <--RelatedTo--> Exercise 