E (mathematical constant) is approximately equal to 2.71828.
yes
Is the following sentence factually correct?
"E represents Euler's constant, and is a key figure in mathematics."
Options:
- yes
- no

John D. Rockefeller was from New York, which is a Northeastern state.
yes
Does the following sentence make sense?
"John D. Rockefeller lived in the Northeast."
Options:
- yes
- no

Arthur C. Clarke's works spanned several decades, won countless awards and is synonymous with the sci fi genre.
yes
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