Smoke from wood-burning stoves is a health hazard
For the following passage, try to come up with an additional premise that will turn the passage into a deductively valid or an inductively strong argument. Usually this requires adding a general moral principle and, sometimes, an extra non-moral claim as well. The idea is to guarantee that the 'ought' claim follows from the 'is' claim. "Smoke from wood-burning stoves has become a serious health hazard. They ought to be banned.