Q: Is the following statement true?
"The World Food Programme has officialy ended world hunger."
A: The answer is no.
Chain of thoughts: At the moment, world hunger is still a major problem for many nations.

Q: Yes / no, is the following a verifiable fact?
"Herman Melville wrote a great American novel titled The Scarlet Letter."
A: The answer is no.
Chain of thoughts: Nathaniel Hawthorne, not Herman Melville, was the author of The Scarlet Letter.

Q: Claim: "Officials Hanging wrongdoers has been a common form of Capital punishment used since medieval times."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
A: The answer is yes.
Chain of thoughts: Hanging has been used because it is effective in at least two ways; it cuts off blood flow to brain by jugular vein constriction and affects the airflow, choking the person hanged, thus is doubly effective.

Q: Is the following sentence factually correct?
"Melanoma describes a form of cancer of the skins layers."
Options:
- yes
- no
A:
The answer is yes.
Chain of thoughts: Melanoma is skin cancer that is categorized in stages.