**Q**
Is the following sentence factually correct?
"Smoking is a major contributor to Lung cancer cases in the world."
Options:
- yes
- no
**A**
yes
It is well known that smoking causes lung cancer.
Is the following statement true?
"Mario Andretti won races in Formula One, IndyCar, the World Sportscar Championship, and NASCAR."
yes
Mario Andretti is a former racing driver and one of the most successful Americans in the history of the sport.
**Q**
"Alpine skiing acts as a sport in which skiing is done on water with boats pulling the competitors."
Is the above claim true?
Options:
- yes
- no
**A**
no
Alpine skiing is done on snow, not water skiing.
"Jack Black gained fames from his career in acting and music."
Is the above claim true?
Options:
- yes
- no
yes
Jack Black stars in the film School of Rock.
**Q**
Is the following statement true?
"Claudio Monteverdi wrote a number of operas."
**A**
yes
Claudio Monteverdi is one of history's most famous opera writers.
**Q**
Is the following sentence factually correct?
"Nicotine acts as an anxiolytic and is found in most tobacco products."
Options:
- yes
- no
**A**

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
yes
Nicotine is a neurochemical that quells anxiety in its users.