you are likely to find Earth in/at/on Orbit. Earth is related to Oil. 
Obligation is the opposite of Right. Right is a type of Position. Position is the opposite of Absence. Absence is related to Black. 
Orbit <--AtLocation-- Earth <--RelatedTo--> Oil 
Obligation <--Antonym--> Right --IsA--> Position <--Antonym--> Absence <--RelatedTo--> Black 