Stop is a type of Interrupt. Stop is related to Red. Red is related to Debt. Debt is related to Situation. 
Existence is the opposite of Absence. Absence is the opposite of Presence. Presence is related to State. Present is a type of State. 
Interrupt <--IsA-- Stop <--RelatedTo--> Red <--RelatedTo--> Debt <--RelatedTo--> Situation 
Existence <--Antonym--> Absence <--Antonym--> Presence <--RelatedTo--> State <--IsA-- Present 