The attack of Pearl Harbor was a military attack.
no
Does the following sentence make sense?
"The Attack on Pearl Harbor destroyed valuable jewels and pearls."
Options:
- yes
- no
Explanation and answer: Schizophrenia defines people who have a different mental state based on how they view reality.
yes

The corresponding question: Yes / no, is the following a verifiable fact?
"Those who suffer from Schizophrenia suffer with psychosis and often see hallucinations and hear voices."
My sentence is false because that is not always the case. We cannot make that claim because we are not sure of its validilitty.
no
Is the following sentence factually correct?
"Dementia causes victims to die prematurely."
Options:
- yes
- no
Explanation and answer: Evander Holyfield was a boxer, not an Olympic skier.
no

The corresponding question: Is the following a factual statement?
"Evander Holyfield competed in men's Olympic skiing in 2016."
Options:
- yes
- no
Cough suppression is the primary reason for the usage of the dextromethorphan drug.
yes
Claim: "Dextromethorphan suppresses persistent cough conditions caused by throat and/or bronchial irritation."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
Richard Nixon became the president of the United States in 1969.
yes
"The Presidency of Richard Nixon began in 1969."
Is the above claim true?
Options:
- yes
- no