Text: Reducing the formation of ground-level ozone, or smog, will bring healthier air to tens of millions of people, and reduce the number of ozone-related health problems such as respiratory infection, asthma attacks, and chronic lung damage.
Entailment: Reducing pollution will result in healthier oxygen to many people, and lower the amount of ozone-related diseases.
Contradiction: Millions of people want to reduce the amount of ground-level ozone.