Is the following statement true?
"Scientists can observe Cosmic rays from Earth."
yes
The interaction of cosmic rays with the environment was first observed on Earth and they are continually studied from the planet. It is not necessary to leave the atmosphere to study cosmic rays especially with modern technology.


**Q**
Claim: "Arturo Toscanini invented the telephone in the 21st Century."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
**A**
no
Alexander Graham Bell invented the telephone in the 19th Century.


Is the following statement true?
"A QR code functions primarily as a component of consumer advertising campaigns or promotional offerings and were scanned by 11 million users in 2020."
yes
QR code usage has grown steadily year after year and the figures represent an accurate count of user engagement.


**Q**
Yes / no, is the following a verifiable fact?
"The Pony Express ran for several hundred years."
**A**
no
The Pony Express only operated for a little more than a year.


Is the following a factual statement?
"Rajendra Prasad lived for about a hundred years."
Options:
- yes
- no
no
He only lived up until the age of 78.


Does the following sentence make sense?
"A Lieutenant can give orders to a sergeant."
Options:
- yes
- no
yes
A lieutenant is higher ranked than a sargeant.