**Q**
Does the following sentence make sense?
"The burrowing by Prairie dog brings deeper soil to the surface which promotes fertility of the land."
Options:
- yes
- no
**A**
yes
The deeper soil is comparatively rich in minerals.
Is the following a factual statement?
"Elon Musk has a Twitter account he posts to."
Options:
- yes
- no
yes
Elon Musk regularly makes headlines for things he posts on Twitter and he has millions of followers.
**Q**
Is the following statement true?
"Michael Bloomberg ran for president in the 2020 presidential race."
**A**
yes
Michael Bloomberg was a candidate for the 2020 Democratic nomination for president of the United States.
Is the following a factual statement?
"February 29 th only occurs on leap years."
Options:
- yes
- no
yes
February 29th only happens every 4 years, also known as leap years.
**Q**
Is the following statement true?
"The logo of the Chevron Corporation has stood for decades before many gas stations."
**A**
yes
The Chevron Corporation logo is one of the best known gas station logos.
**Q**
Claim: "Dextromethorphan suppresses persistent cough conditions caused by throat and/or bronchial irritation."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
**A**
yes
Cough suppression is the primary reason for the usage of the dextromethorphan drug.