Luck is related to Fortune. Fortune is related to Paper. 
Aggression is a type of Behavior. Behavior is related to Crime. Crime is related to Detective. Detective is related to Policeman. 
Luck <--RelatedTo--> Fortune <--RelatedTo--> Paper 
Aggression --IsA--> Behavior <--RelatedTo--> Crime <--RelatedTo--> Detective <--RelatedTo--> Policeman 