- Emitting sulfur dioxide causes acid rain
- Sulfur scrubbers can reduce the emission of sulfur dioxide
- Therefore, sulfur scrubbers can reduce the cause of acid rain

Hence, sulfur scrubbers can reduce the cause of acid rain
Q: Sulfur scrubbers are devices installed in coal-fired power plants. Sulfur scrubbers reduce the emission of sulfur dioxide. What environmental problem are sulfur scrubbers most likely trying to address?
Context:
- Emitting sulfur dioxide causes acid rain 
- Sulfur scrubbers can reduce the emission of sulfur dioxide