**Q**
Claim: "A scientist used a Placebo to demonstrate the efficacy of a vaccine."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
**A**
yes
A Placebo is often used in scientific studies regarding vaccines and medicine.
Does the following sentence make sense?
"One can travel to Africa to see the Egyptian pyramids."
Options:
- yes
- no
yes
The Egyptian pyramids are ancient masonry structures located in Egypt, Africa.
**Q**
Is the following sentence factually correct?
"The Little Prince states in the article it set novels set in Africa."
Options:
- yes
- no
**A**
yes
The Little Prince as read see states facts that it set novels set in Africa.
"Noise causes damage if the decibels are too high."
Is the above claim true?
Options:
- yes
- no
yes
The human ear can only tolerate so much sound safely without suffering damage.
**Q**
Is the following sentence factually correct?
"You will be bored when visiting in St. Moritz because there is nothing to do."
Options:
- yes
- no
**A**
no
There are many different things to appeal to all types of people in St. Moritz.
**Q**
Does the following sentence make sense?
"Many Africans celebrate Cinco de Mayo."
Options:
- yes
- no
**A**
no
Cinco de Mayo is a celebration of Mexico's independence, not Africa's.