Text: Either each powerful retiree is transported in some kind of titanium case or that satanic pact is still in effect even after one leaves office.
Entailment: Powerful retirees either must be ensconced in titanium or the satanic pact must still be in effect after they leave office.
Contradiction: We know that the satanic pact isn't a thing, and it certainly doesn't remain after powerful retirees leave office.