Due is related to Pay. Pay is related to Compensation. Compensation is a synonym of Reward. Reward is related to Found. 
Position is related to President. you are likely to find President in/at/on Trouble. Trouble is related to Difficulty. Killer is a type of Difficulty. 
Due <--RelatedTo--> Pay <--RelatedTo--> Compensation <--Synonym--> Reward <--RelatedTo--> Found 
Position <--RelatedTo--> President --AtLocation--> Trouble <--RelatedTo--> Difficulty <--IsA-- Killer 