1. It is false that some jogging events are not aerobic activities. Therefore, it is false that no jogging events are aerobic activities.

2. No meat-eating vegetarians are individuals with a high-protein diet. Therefore, no individuals with a high-protein diet are meat-eating vegetarians.

3. Some jobs in health care are not glamorous occupations. Therefore, some jobs in health care are glamorous occupations.

4. Some terminally ill patients are patients who do not want to live. Therefore, some patients who want to live are recovering patients.

5. All Barbie dolls are toys that engender a false sense of values. Therefore, no Barbie dolls are toys that engender a true sense of values.

6. All flying elephants are jolly pachyderms. Therefore, some flying elephants are jolly pachyderms.

7. It is false that some international terrorists are political moderates. Therefore, some international terrorists are not political moderates.

8. No pet hamsters are animals that need much attention. Therefore, it is false that all pet hamsters are animals that need much attention.

9. Some hedge-fund managers are not responsible investors. Therefore, some responsible investors are not hedge-fund managers.

10. It is false that all substances that control cell growth are hormones. Therefore, no substances that control cell growth are hormones.

11. Some cases of whistle-blowing are actions disloyal to employers. Therefore, some cases of whistle-blowing are not actions loyal to employers.

12. No stolen computer chips are easy items to trace. Therefore, no difficult items to trace are computer chips that are not stolen.

13. Some economists are followers of Ayn Rand. Therefore, some economists are not followers of Ayn Rand.

14. All porcelain figurines are fragile artifacts. Therefore, it is false that some porcelain figurines are not fragile artifacts.

15. Some pleasant recollections are not missed opportunities. Therefore, some availed opportunities are not unpleasant recollections.