Melinda: Hazard insurance decreases an individual' s risk by judiciously spreading the risk among many policyholders. Jack: I disagree. It makes sense for me to buy fire insurance for my house, but I don' t see how doing so lessens the chances that my house will burn down. Jack's response most clearly trades on an ambiguity in which one of the following expressions used by Melinda? ['judiciously spreading', 'risk', 'hazard insurance', 'many policyholders']