Pay is related to Spending. Spending is related to Money. 
Result is related to Disease. Strain is a type of Disease. Strain is a type of Injury. Injury is related to Stretch. 
Pay <--RelatedTo--> Spending <--RelatedTo--> Money 
Result <--RelatedTo--> Disease <--IsA-- Strain --IsA--> Injury <--RelatedTo--> Stretch 