Hot is related to Tea. Tea is related to Table. you are likely to find Clock in/at/on Table. Clock is related to Digital. 
Debt is a type of Obligation. Obligation is a synonym of Duty. Duty is related to Responsible. 
Hot <--RelatedTo--> Tea <--RelatedTo--> Table <--AtLocation-- Clock <--RelatedTo--> Digital 
Debt --IsA--> Obligation <--Synonym--> Duty <--RelatedTo--> Responsible 