premise: "It's extremely important that when the two governments get into this kind of situation with each other that they have something going on in the background that enables them at some point to declare a sort of ceasefire since if  tomorrow they have a nuclear war that eliminates nearly all humans on Earth, <hypo>," Rufus Yerxa, president of the National Foreign Trade Council, said in a Bloomberg TV interview on Wednesday.
hypothesis: <hypo> should be "they could still have the ability to stop before the entire planet is destroyed"