Answer: The correct classification is:
1. Society faces a short-run trade-off between inflation and unemployment. - Positive.
2. The government should provide basic healthcare to all citizens. - Normative.
3. Investment increases when interest rates fall. - Positive.
4. The Federal Reserve should reduce the rate of money growth. - Normative.
5. A reduction in the rate of money growth will reduce the rate of inflation. - Positive.