**Q**
Yes / no, is the following a verifiable fact?
"Betty Ford founded an alcohol rehabilitation center."
**A**
yes
The Betty Ford Clinic is an alcohol rehabilitation center.
"Bill Nye hosted a TV show."
Is the above claim true?
Options:
- yes
- no
yes
Bill Nye The Science Guy is a well known show that ran for many years.
**Q**
Claim: "American hip hop producer when see the article is Mos Def."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
**A**
yes
Mos Def is a male singer and hip hop producer.
Is the following a factual statement?
"Violence and warfare have been an ongoing problem in the Muslim world."
Options:
- yes
- no
yes
For many centuries warlords and violent extremists have oppressed innocent muslims.
**Q**
Is the following statement true?
"Richard Pryor jumped on his bed every time he received good news."
**A**
no
I think the sentence is false because there is no physical proof nor spoken confession from Richard that this is true.
**Q**
Is the following a factual statement?
"Sand cleans teeth as well as toothpaste."
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
no
Using sand in place of toothpaste is likely to damage teeth whereas toothpaste is specifically designed to clean teeth.