1. theory of relativity revolutionized physics.

2. I read fascinating article on artificial intelligence yesterday.

3. They traveled across Sahara Desert during their expedition.

4. He bought antique vase at the auction.

5. water in this lake is unusually clear.

6. She is attending international conference on climate change.

7. He is writing biography of a famous philosopher.

8. Mona Lisa is displayed at the Louvre Museum.

9. I need clarification before I submit the report.

10. They discussed implications of genetic engineering.