\'The product increased in price, so fewer people bought it.\' This is:

What is the flaw? \'If we allow immigration, our culture will be destroyed.\'

Which weakens: \'Smaller classes improve learning. Private schools have smaller classes and better results.\'

If no A are B, and all B are C, then:

Some students are exchange students. All exchange students experience new cultures. Experiencing new cultures broadens perspectives. Broad perspectives enhance creativity. Therefore:

What is the conclusion? \'Since renewable energy creates jobs and jobs reduce unemployment, governments should support renewables.\'