Death is related to Tax. Tax is related to Spending. 
Fatigue is similar to Trouble. Trouble is a synonym of Problem. Problem is a different concept from Good. Inflation can be Good. 
Death <--RelatedTo--> Tax <--RelatedTo--> Spending 
Fatigue <--SimilarTo--> Trouble <--Synonym--> Problem <--DistinctFrom--> Good <--HasProperty-- Inflation 