Yes / no, is the following a verifiable fact?
"John Kerry denies climate change is caused by human factors."
no
John Kerry is the special envoy for climate protection in Biden's administration.

Is the following a factual statement?
"Malcolm X Drake in a song."
Options:
- yes
- no
no
The "X" in the above sentence is a verb usually used to denote a feature.

Is the following sentence factually correct?
"Back to the Future stars John Travolta in the lead role as Marty."
Options:
- yes
- no
no
John Travolta is not in Back to the Future. The lead role is played by Michael J. Fox.

Is the following sentence factually correct?
"Boxer Rebellion happened in Russia as a response to World War 2."
Options:
- yes
- no
no
Boxer Rebellion occurred in China in the Early 20th Century.