Choose the words stressed/ pronounced differently from the rests

Choose the words stressed/ pronounced differently from the rests.
1. A. competition B. participation C. anniversary D. vegetarian
2. A. companion B. attention C. tradition D. participation
3. A. television B. historian C. confusion D. procession
4. A. careful B. dangerous C. cheap D. prevent
5. A. exhibition B. question C. collection D. tradition
6. A. pleasure B. leisure C. closure D. sure
7. A. saxophone B. music C. so D. expensive