Sport is a type of Athlete. Sport is a synonym of Fun. Fun is a synonym of Game. Game is related to Duty. 
Percentage is related to Half. Half is related to Value. Value is related to Measurement. 
Athlete <--IsA-- Sport <--Synonym--> Fun <--Synonym--> Game <--RelatedTo--> Duty 
Percentage <--RelatedTo--> Half <--RelatedTo--> Value <--RelatedTo--> Measurement 