Question: Yes / no, is the following a verifiable fact?
"Mary, mother of Jesus died in 1956."

Let me think..... Most Christians would know that Mary, mother of Jesus, was not alive anywhere near this period of time. The answer is no.

Question: Does the following sentence make sense?
"United States Capitol stays in United Kingdom."
Options:
- yes
- no

Let me think..... This is well known to people that this building is located in United States only. The answer is no.

Question: Yes / no, is the following a verifiable fact?
"The second 'Ndrangheta war raged from 1975 to 1980 for five-years."

Let me think..... 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. The answer is no.

Question: Yes / no, is the following a verifiable fact?
"Organic chemistry studies compounds that have to contain hydrogen."
Let me think..... Organic chemistry actually studies compounds that contain carbon in covalent bonding. The answer is no.