Q: Is the following sentence factually correct?
"Studying Biology is not important in school."
Options:
- yes
- no
A: no
How to explain the answer: Biology is important and usually a required general education class.

Q: Is the following a factual statement?
"Justinian I converted to Islam in 600 AD."
Options:
- yes
- no
A: no
How to explain the answer: He was a Christian saint and died in 565 AD.

Q: Is the following statement true?
"Ducks are able to float in water."
A: yes
How to explain the answer: All ducks are water fowl and are able to float.