Question: Yes / no, is the following a verifiable fact?
"Golden eagle weighs less than one pound."
Ans and explanation: The answer is no.
Explanation: Golden eagle is a large bird and weighs more than one pound.

Question: Yes / no, is the following a verifiable fact?
"John James Audubon possessed an allergy against celery."
Ans and explanation: The answer is no.
Explanation: I think the sentence is false because there is no evidence that John in fact had an allergy. There would need to be a record for it to be deemed true now.

Question: "Estonian language originated in countries such as Russia and Estonia."
Is the above claim true?
Options:
- yes
- no
Ans and explanation: The answer is yes.
Explanation: The Estonian language can be found in Russia.

Question: Yes / no, is the following a verifiable fact?
"The second 'Ndrangheta war raged from 1975 to 1980 for five-years."
Ans and explanation:
The answer is no.
Explanation: The six-year war between the Condello-Imerti-Serraino-Rosmini clans and the De Stefano-Tegano-Libri-Latella clans, during 1985-1991, led to more than 600 deaths.