Choose a word which has the underlined part pronounced differently from the rest

Exercise 1: Choose a word which has the underlined part pronounced differently from the rest.
1.A. performB. endC. festivalD. elephant
2.A. cakeB. celebrateC. racingD. candle
3.A. desertB. heldC. preferD. celebrate
4.A. thoseB. theyC. thanD. Thanksgiving
5.A. cranberryB. lanternC. gatherD. apricot
6. A. abundant B. travelling C. character D. biogas
7. A. diverse B. drive C. invention D. crime
8. A. designs B. sails C. pedals D. pollutes
9. A. centre B. let C. belt D. security
10. A. safety B. traffic C. station D. plane
11. A. came B. lake C. station D. start
12. A. ancient B. radio C. village D. nature
13. A. great B. hear C. near D. clear
14. A. there B. their C. they D. stair