1. The New York Times disclosed the existence of this effort in 2005.

2. There are those who believe in the existence of a book.

3. There is no business in existence today that can do that.

4. Some have a ton of community support even if their existence is opposed by federal lawmakers.

5. There is an ocean in our solar system that has been in existence for billions of years.

6. At the news conference Monday, government officials did not deny the existence of forced labor.

7. The FBI said it does not confirm or deny the existence of investigations.

8. I own just about every gaming system in existence and my smart phone is never far from my reach.

9. It looks like Scott was trying to hint at the existence of aliens.

10. Reuters cannot confirm the existence of the video or its content.

11. They will be looking for any radio waves that could signal the existence of extraterrestrial life.

12. The club has been in existence for decades.

13. Can you be sure of its existence if your basic senses are telling you that nothing is there?

14. The reason for the poor service quality was the existence of a cartel, but a highly unusual cartel.

15. Real snipers must be able to do that also live an extreme existence and return to the mundane.