Explanation and answer: They released several classic rock songs over numerous years that are considered some of the best rock songs of all time.
yes

The corresponding question: Claim: "Pink Floyd released several all time great rock songs."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
Wheat is a grass widely cultivated for its seed as it is a food.
yes
Yes / no, is the following a verifiable fact?
"Wheat, a cereal grain, a worldwide staple food, is also an important source of carbohydrates."
Explanation and answer: He wrote War and Peace and Anna Karenina which often show up on lists of classic noveks.
yes

The corresponding question: Is the following sentence factually correct?
"Leo Tolstoy wrote novels that are now considered classics."
Options:
- yes
- no
The monarch butterfly is a common butterfly of North America.
yes
Yes / no, is the following a verifiable fact?
"It is pretty typical that someone in Florida will see a Monarch butterfly in their lifetime."
Explanation and answer: It is commonly known that scurvy affected pirates and that bringing fruits rich in vitamin C helped them overcome it.
yes

The corresponding question: Is the following statement true?
"Vitamin C prevents and treats the disease scurvy."
Explanation and answer: In 1870, John D. Rockefeller established Standard Oil, which by the early 1880s controlled some 90 percent of U.S. refineries and pipelines.
yes

The corresponding question:
Does the following sentence make sense?
"John D. Rockefeller established Standard oil."
Options:
- yes
- no