This has been thoroughly documented through the centuries.
yes
Is the following statement true?
"For several centuries, China and surrounding kingdoms were home to large numbers of Opium dens."
Explanation and answer: Christopher Columbus died long before television was invented and "Ride Like the Wind" became a hit song.
no

The corresponding question: Is the following sentence factually correct?
"Christopher Columbus recorded the song Ride Like the Wind and appeared on one episode of the Muppets."
Options:
- yes
- no
Constantine the Great was a Roman emperor, not a Greek emperor.
no
Yes / no, is the following a verifiable fact?
"Constantine the Great presided over Greece as emperor."
Explanation and answer: The Prague Spring reforms encouraged the Soviets to send Warsaw Pact troops to and occupy the area.
no

The corresponding question: Yes / no, is the following a verifiable fact?
"The Soviet's proudly encouraged The Prague Spring reforms."
Yes, she left the band she was in according to record and started a solo career.
yes
Yes / no, is the following a verifiable fact?
"Doris Day left Les Brown in 1947 to start a solo career and recorded more than 650 songs."
The Great Lakes began to form naturally at the end of the Last Glacial Period.
no
Is the following statement true?
"The Great Lakes were created by engineers in the 1800's to provide irrigation to midwest farmers."