Question: Is the following a factual statement?
"Considered one of the best science fiction writers in history, Arthur C. Clarke is one of the most highly regarded writers of the 20th century."
Options:
- yes
- no
Ans and explanation: The answer is yes.
Explanation: Arthur C. Clarke's works spanned several decades, won countless awards and is synonymous with the sci fi genre.

Question: Claim: "The Petroleum industry includes fields such as space travel and cow farming."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
Ans and explanation: The answer is no.
Explanation: The petroleum industry encompasses fields such as oil production and marketing.

Question: Does the following sentence make sense?
"Standard deviation calculates the mean, median an mode of a statistical data set."
Options:
- yes
- no
Ans and explanation: The answer is no.
Explanation: Standard deviation does not describe mean, median, and mode.

Question: Is the following sentence factually correct?
"Cinco de Mayo refers to the day that Mexico had a great fire that hurt to crops of many farmers."
Options:
- yes
- no
Ans and explanation:
The answer is no.
Explanation: Cinco de Mayo is actually Mexican independence day.