Determine whether the following disputes are verbal, factual, or some combination of the two. If verbal, discuss whether the dispute arises from vagueness or ambiguity.
KARL: There's a euthanasia measure on the ballot today, and I think I'll vote for it. It seems reasonable that terminally ill patients should be allowed to be disconnected from life-support systems so that they can die peacefully and naturally.
SERGIO: You must be crazy! Euthanasia means giving people lethal injections, and that's clearly murder.