Question: Yes / no, is the following a verifiable fact?
"Drums purify water using an advanced filtration system."
Ans and explanation: The answer is no.
Explanation: Drums are musical instruments, not water purification devices.

Question: Is the following statement true?
"The Brothers Grimm make sad and scary movies."
Ans and explanation: The answer is no.
Explanation: The Brothers Grimm wrote their stories before the era of cinema.

Question: Is the following sentence factually correct?
"NJ Transit takes passengers from New Jersey to Manhattan every day."
Options:
- yes
- no
Ans and explanation: The answer is yes.
Explanation: NJ Transit is one of transportation between New Jersey and Manhattan.

Question: Is the following sentence factually correct?
"Napoleon played basketball often with his friends."
Options:
- yes
- no
Ans and explanation:
The answer is no.
Explanation: Basketball was not invented until later in history.