Is the following a factual statement?
"Collagen could possibly melt your skin off."
Options:
- yes
- no
no
Because collagen doesn't have the chemical makeup to melt skin off.


**Q**
Is the following sentence factually correct?
"Rock in Rio appeared three thousand years ago and has been changing shape through erosion."
Options:
- yes
- no
**A**
no
Rock in Rio are events in Rio de Janeiro, but not natural land feature.


Is the following statement true?
"The Slot machine is a commercial machine actively still being used."
yes
Casinos throughout the United States have Slot Machines.


**Q**
Claim: "Georges Cuvier studied and researched astronomy."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
**A**
no
Georges Cuvier focused his research in anatomy and zoology and several other natural sciences.


Yes / no, is the following a verifiable fact?
"Marcus Garvey upheld tenets of white supremacy."
no
Marcus Garvey was a black civil rights leader.


Is the following a factual statement?
"Nikola Tesla invented the technology known as the Tesla coil."
Options:
- yes
- no
yes
The Tesla coil is one of his inventions and was named after him.